Liabilities / Assets
45th percentile
Higher debt load relative to assets than 45% of similar nonprofits.
EIN 22-2570747 • 501(c)3 • Harrisburg, PA
Profile
Market square concerts is dedicated to the presentation of a wide repertoire of chamber music performed by distinguished professional artists, both established and emerging. Our mission also includes the education and engagement of the general public in the chamber music art form, as well as collaboration with other arts organizations and community partnerships. With an annual summermusic festival and six concerts in the regular season, market square concerts presents premieres of new composed music, as well as the monumental works from the most revered composers from the past and present.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
45th percentile
Higher debt load relative to assets than 45% of similar nonprofits.
Liabilities / Revenue
52nd percentile
Higher debt load relative to revenue than 52% of similar nonprofits.
Net Margin
79th percentile
Higher net margin than 79% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
73rd percentile
Faster asset growth than 73% of similar nonprofits.
Revenue Growth
73rd percentile
Faster revenue growth than 73% of similar nonprofits.
Assets
Up$775,868
Up $109,858 (+16%) from 2024
Liabilities
Down$6,942
Down $1,049 (-13%) from 2024
Net Assets
Up$768,926
Up $110,907 (+17%) from 2024
Revenue
Up$321,305
Up $68,682 (+27%) from 2024
Expenses
Up$234,902
Up $13,181 (+5.9%) from 2024
Net Income
Up$86,403
Up $55,501 (+180%) from 2024
Most recent year
2025 • Form 990XML pending. An XML filing is linked for this year, but detailed extraction is still pending.
The latest 2025 filing currently has linked XML that has not been fully parsed yet. Showing the latest detailed filing from 2023 below.
Market square concerts is dedicated to the presentation of a wide repertoire of chamber music performed by distinguished professional artists, both established and emerging. Our mission also includes the education and engagement of the general public in the chamber music art form, as well as collaboration with other arts organizations and community partnerships. With an annual summermusic festival and six concerts in the regular season, market square concerts presents premieres of new composed music, as well as the monumental works from the most revered composers from the past and present.
Market square concerts is dedicated to the presentation of a wide repertoire of chamber music performed by distinguished professional artists, both established and emerging. Our mission also includes the education and engagement of the general public in the chamber music art form, as well as collaboration with other arts organizations and community partnerships. With regular season concerts, market square concerts presents premieres of new composed music, as well as the monumental works from the most revered composers from the past and present.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $239,287 | $378,822 | ▲ $139,535 |
| Savings and Temporary Cash Investments | $95,052 | $88,953 | ▼ $6,099 |
| Cash and Non-Interest-Bearing Accounts | $56,576 | $12,721 | ▼ $43,855 |
| Prepaid Expenses and Deferred Charges | $2,451 | $4,645 | ▲ $2,194 |
| Pledges and Grants Receivable | $7,500 | $4,500 | ▼ $3,000 |
| Land, Buildings, and Equipment, Net | $357 | $89 | ▼ $268 |
| Total Assets | $457,877 | $550,080 | ▲ $92,203 |
| Other Assets Total | $56,654 | $60,350 | ▲ $3,696 |
| Liabilities | |||
| Deferred Revenue | $3,400 | $15,785 | ▲ $12,385 |
| Accounts Payable and Accrued Expenses | $2,329 | $2,320 | ▼ $9 |
| Total Liabilities | $5,729 | $18,105 | ▲ $12,376 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $393,634 | $469,765 | ▲ $76,131 |
| Net Assets With Donor Restrictions | $58,514 | $62,210 | ▲ $3,696 |
| Total Net Assets Fund Balance | $452,148 | $531,975 | ▲ $79,827 |
| Total Liabilities and Net Assets / Fund Balance | $457,877 | $550,080 | ▲ $92,203 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Equipment | $89 | $1,247 | $1,336 |
| Other Assets Org | $59,210 | - | - |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2022 | $55,514 | - | ▲ $7,487 | - | $59,210 |
| 2021 | $67,189 | $1,600 | ▼ $9,268 | - | $55,514 |
| 2020 | $53,296 | - | ▲ $17,853 | - | $67,189 |
| 2019 | $54,275 | $1,500 | ▲ $1,169 | - | $53,296 |
| 2018 | $52,586 | $2,100 | ▲ $3,010 | - | $54,275 |
| Name | Title | Full / Part Time | Base | Total |
|---|---|---|---|---|
| Ya-ting Chang | Co-director | PT | $26,250 | $26,250 |
| Peter Sirotin | Co-director | PT | $26,250 | $26,250 |
| Name | Title |
|---|---|
| Kevin Laudenslager | President |
| Truman Bullard | Vice President |
| Bonnie Rannels | Trustee |
| Charles K Fetterhoff Jr | Trustee |
| David Volkman | Trustee |
| Dr Linda Litton | Trustee |
| H Ralph Vartan | Trustee |
| Hilary Simpson | Trustee |
| James Cowden | Trustee |
| Jeff Woodruff | Trustee |
| Kristin Scofield | Trustee |
| Luanne Glessner | Trustee |
| Lucy Miller Murray | Trustee |
| Marty Margolis | Trustee |
| Raymond Harris | Trustee |
| Thomas V Arnoldi | Trustee |
| Karen Lehman | Secretary |
| Dr William M Murray | Treasurer |
| Line Item | Amount |
|---|---|
| Other Expenses | $124,616 |
| Salaries, Compensation, and Employee Benefits | $86,814 |
| Total Fundraising Expense | $15,991 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $45,350 | $21,800 | $11,850 | $79,000 |
| Fees for Services Other | $54,146 | $274 | $320 | $54,740 |
| Occupancy | $12,588 | $3,243 | $1,257 | $17,088 |
| Office Expenses | $11,446 | $1,509 | $1,455 | $14,410 |
| Advertising | $12,229 | - | - | $12,229 |
| Payroll Taxes | $3,688 | $1,812 | $971 | $6,471 |
| Fees for Services Accounting | - | $5,200 | - | $5,200 |
| Other Expenses | $2,250 | - | - | $2,250 |
| Insurance | $1,249 | $416 | - | $1,665 |
| Other Employee Benefits | $127 | $1,131 | $85 | $1,343 |
| Depreciation Depletion | $108 | $107 | $53 | $268 |
| Total Functional Expenses | $159,947 | $35,492 | $15,991 | $211,430 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Lucy miller murray, trustee, and dr. William m. Murray, treasurer are sister-in-law/brother-in-law.”
“The board treasurer reviews a draft of the form 990 for completeness and accuracy. The treasurer then presents the 990 return to the board for its approval prior to the submission of the final return.”
“The conflict of interest policy is presented to each employee and board member upon joining market square concerts to review and note any known conflicts of interest with market square concerts.”
“Board members review all employment applications and/or resumes.applicants meeting the requirements are interviewed and final approval is decided by a board vote. Compensation is based on wages paid by similar not-for-profit organizations based on size and job duties. The board reviews the compensation of the co-directors annually.”
“All documents that must be made available to the general public are made available by the organization upon written request. Other governing documents are generally not made available to the public.”
“Artist fees: program service expenses 48,800. Management and general expenses 0. Fundraising expenses 0. Total expenses 48,800. Marketing consultation fees: program service expenses 5,346. Management and general expenses 274. Fundraising expenses 320. Total expenses 5,940.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 1 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 2329 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 2320 |
| IRS990/AcctCompileOrReviewBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | MARKET SQUARE CONCERTS IS DEDICATED TO THE PRESENTATION OF A WIDE REPERTOIRE OF CHAMBER MUSIC PERFORMED BY DISTINGUISHED PROFESSIONAL ARTISTS, BOTH ESTABLISHED AND EMERGING. OUR MISSION ALSO INCLUDES THE EDUCATION AND ENGAGEMENT OF THE GENERAL PUBLIC IN THE CHAMBER MUSIC ART FORM, AS WELL AS COLLABORATION WITH OTHER ARTS ORGANIZATIONS AND COMMUNITY PARTNERSHIPS. WITH REGULAR SEASON CONCERTS, MARKET SQUARE CONCERTS PRESENTS PREMIERES OF NEW COMPOSED MUSIC, AS WELL AS THE MONUMENTAL WORKS FROM THE MOST REVERED COMPOSERS FROM THE PAST AND PRESENT. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 12229 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 12229 |
| IRS990/AllOtherContributionsAmt | 0 | 187703 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | YA-TING CHANG |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7172219599 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 5020 RITTER ROAD SUITE 211 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | MECHANICSBURG |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | PA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 17055 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 56576 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 12721 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 187703 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | -2985 |
| IRS990/CYOtherExpensesAmt | 0 | 124616 |
| IRS990/CYOtherRevenueAmt | 0 | 461 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 31178 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 4927 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 86814 |
| IRS990/CYTotalExpensesAmt | 0 | 211430 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 15991 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 216357 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 3400 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 15785 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 53 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 107 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 108 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 268 |
| IRS990/Desc | 0 | PROVIDE AN AVERAGE OF SEVEN TO TEN CONCERTS, AS WELL AS TEN TO TWENTY EDUCATIONAL OUTREACH PRESENTATIONS, PER YEAR TO HELP PROMOTE THE PUBLIC'S UNDERSTANDING AND APPRECIATION OF CHAMBER MUSIC AS AN ART FORM. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 58514 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 62210 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 3 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 159947 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 5200 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 5200 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 320 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 274 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 54146 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 54740 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 26.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 28.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 16 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 17 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | THOMAS V ARNOLDI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | TRUMAN BULLARD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JAMES COWDEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | RAYMOND HARRIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | KEVIN LAUDENSLAGER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | KAREN LEHMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | DR LINDA LITTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | LUCY MILLER MURRAY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MARTY MARGOLIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | DR WILLIAM M MURRAY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | CHARLES K FETTERHOFF JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | HILARY SIMPSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | BONNIE RANNELS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | H RALPH VARTAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | LUANNE GLESSNER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | DAVID VOLKMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | KRISTIN SCOFIELD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | JEFF WOODRUFF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | PETER SIROTIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | YA-TING CHANG |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 26250 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 26250 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | CO-DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | CO-DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/Form990TFiledInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1984 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 3796 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | -11186 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 18 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 3796 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 97125 |
| IRS990/GrossReceiptsAmt | 0 | 324668 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 18 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 416 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 1249 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 1665 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 4405 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 4405 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 239287 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 378822 |
| IRS990/IRPDocumentCnt | 0 | 24 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 1247 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 357 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 89 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 1336 |
| IRS990/LegalDomicileStateCd | 0 | PA |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 0 |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 108311 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | MARKET SQUARE CONCERTS IS DEDICATED TO THE PRESENTATION OF A WIDE REPERTOIRE OF CHAMBER MUSIC PERFORMED BY DISTINGUISHED PROFESSIONAL ARTISTS, BOTH ESTABLISHED AND EMERGING. OUR MISSION ALSO INCLUDES THE EDUCATION AND ENGAGEMENT OF THE GENERAL PUBLIC IN THE CHAMBER MUSIC ART FORM, AS WELL AS COLLABORATION WITH OTHER ARTS ORGANIZATIONS AND COMMUNITY PARTNERSHIPS. WITH AN ANNUAL SUMMERMUSIC FESTIVAL AND SIX CONCERTS IN THE REGULAR SEASON, MARKET SQUARE CONCERTS PRESENTS PREMIERES OF NEW COMPOSED MUSIC, AS WELL AS THE MONUMENTAL WORKS FROM THE MOST REVERED COMPOSERS FROM THE PAST AND PRESENT. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 452148 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 531975 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 3796 |
| IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt | 0 | -11186 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -7390 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 74900 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 393634 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 469765 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 1257 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 3243 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 12588 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 17088 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 1455 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 1509 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 11446 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 14410 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 56654 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 60350 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 85 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 1131 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 127 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 1343 |
| IRS990/OtherExpensesGrp/Desc | 0 | OUTREACH EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 1 | PROGRAM NOTES |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 16766 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 2250 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 16766 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 2250 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 11850 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 21800 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 45350 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 79000 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 971 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 1812 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 3688 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 6471 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 7500 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 4500 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 2451 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 4645 |
| IRS990/PrincipalOfficerNm | 0 | YA-TING CHANG |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 711190 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 541800 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | ADMISSIONS |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | PROGRAM ADVERTISEMENTS |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 27178 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 27178 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 4000 |
| IRS990/ProgramServiceRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 4000 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 249056 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 19186 |
| IRS990/PYOtherExpensesAmt | 0 | 144252 |
| IRS990/PYOtherRevenueAmt | 0 | 534 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 38265 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 83858 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 78931 |
| IRS990/PYTotalExpensesAmt | 0 | 223183 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 307041 |
| IRS990/QuidProQuoContributionsInd | 0 | 1 |
| IRS990/QuidProQuoContriDisclInd | 0 | 1 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 4927 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 1 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 31178 |
| IRS990/RoyaltiesRevenueGrp/ExclusionAmt | 0 | 461 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 461 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 95052 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 88953 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 187703 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 249056 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 166780 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 157656 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 159042 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 920237 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 4866 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 3050 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 2910 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 3385 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 3571 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 17782 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.58640 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.66760 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 550019 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 370218 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 187703 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 249056 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 166780 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 157656 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 159042 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 920237 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 938019 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
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