Civic Intelligence

Miami Chamber Music Society

EIN 46-4383141 • 501(c)3 • Miami, FL

Profile

Present classical music concerts and educational and community outreach activities.

14155 SW 88 AveMiami, FL 33176

www.mainlymozart.com

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

60th percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2024

Liabilities / Revenue

62nd percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2024

Net Margin

82nd percentile

31%

Higher net margin than 82% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2024

Top Officer Pay

90th percentile

$30,000

Higher top officer pay than 90% of similar nonprofits.

Top officer pay equals 16.8% of source-year revenue.

501(c)3 • <$500k nonprofits • Source year 2024

Asset Growth

83rd percentile

39%

Faster asset growth than 83% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2024

Revenue Growth

65th percentile

12%

Faster revenue growth than 65% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets60th percentile

Assets

Up

$195,949

Up $54,657 (+39%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Up

$195,949

Up $54,657 (+39%) from 2023

Operations
Liabilities / Revenue62nd percentileNet Margin82nd percentile

Revenue

Up

$178,365

Up $18,540 (+12%) from 2023

Expenses

Down

$123,708

Down $159 (-0.1%) from 2023

Net Income

Up

$54,657

Up $18,699 (+52%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth83rd percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$200K$150K$100K$50K$0Assets 2017: $14,773Liabilities 2017: $02017Assets 2018: $4,508Liabilities 2018: $02018Assets 2019: $34,860Liabilities 2019: $02019Assets 2020: $17,129Liabilities 2020: $02020Assets 2021: $64,727Liabilities 2021: $0Net Assets 2021: $64,7272021Assets 2022: $105,334Liabilities 2022: $0Net Assets 2022: $105,3342022Assets 2023: $141,292Liabilities 2023: $0Net Assets 2023: $141,2922023Assets 2024: $195,949Liabilities 2024: $0Net Assets 2024: $195,9492024

Highlighted filing

2024

Assets$195,949
Liabilities$0
Net Assets$195,949
Open 2024 Filing

Operations Trend

Revenue Growth65th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$400K$300K$200K$100K$0-$100KRevenue 2017: $87,051Expenses 2017: $93,485Net Income 2017: -$6,4342017Revenue 2018: $76,422Expenses 2018: $78,348Net Income 2018: -$1,9262018Revenue 2019: $146,545Expenses 2019: $116,193Net Income 2019: $30,3522019Revenue 2020: $50,792Expenses 2020: $68,523Net Income 2020: -$17,7312020Revenue 2021: $98,191Expenses 2021: $50,593Net Income 2021: $47,5982021Revenue 2022: $301,011Expenses 2022: $260,404Net Income 2022: $40,6072022Revenue 2023: $159,825Expenses 2023: $123,867Net Income 2023: $35,9582023Revenue 2024: $178,365Expenses 2024: $123,708Net Income 2024: $54,6572024

Highlighted filing

2024

Revenue$178,365
Expenses$123,708
Net Income$54,657
Open 2024 Filing

Filings

Most recent year

2024 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$195,949
Liabilities
$0
Net assets
$195,949
Revenue
$178,365
Expenses
$123,708
Net income
$54,657
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$1.96$0.00$1.96$1.78$1.24$0.55
2023Detailed filing. Detailed filing data is available for this year.$1.41$0.00$1.41$1.60$1.24$0.36
2022Detailed filing. Detailed filing data is available for this year.$1.05$0.00$1.05$3.01$2.60$0.41
2021Detailed filing. Detailed filing data is available for this year.$0.65$0.00$0.65$0.98$0.51$0.48
2020Summary only. Only limited summary data is available for this year.$0.17$0.00$0.51$0.69$0.18
2019Summary only. Only limited summary data is available for this year.$0.35$0.00$1.47$1.16$0.30
2018Summary only. Only limited summary data is available for this year.$0.05$0.00$0.76$0.78$0.02
2017Summary only. Only limited summary data is available for this year.$0.15$0.00$0.87$0.93$0.06
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Sep 1, 2023 to Aug 31, 2024
Signed
Jul 8, 2025
Return Version
2023v6.0
Gross Receipts
$178,365
Mission and Program Overview

Mission

Present classical music concerts, educational and cultural community outreach activities.

Present classical music concerts and educational and community outreach activities.

Balance Sheet Detail
LineBeginningEndChange
Assets
Cash and Non-Interest-Bearing Accounts$141,292$195,949▲ $54,657
Savings and Temporary Cash Investments$0$0→ $0
Accounts Receivable$0$0→ $0
Other Notes and Loans Receivable, Net$0$0→ $0
Pledges and Grants Receivable$0$0→ $0
Receivable From Disqualified Prsn$0$0→ $0
Receivables From Officers Etc$0$0→ $0
Investments Other Securities$0$0→ $0
Investments Program Related$0$0→ $0
Investments in Publicly Traded Securities$0$0→ $0
Land, Buildings, and Equipment, Net$0--
Intangible Assets$0$0→ $0
Inventories for Sale or Use$0$0→ $0
Loans From Officers Directors$0$0→ $0
Prepaid Expenses and Deferred Charges$0$0→ $0
Total Assets$141,292$195,949▲ $54,657
Other Assets Total$0$0→ $0
Liabilities
Accounts Payable and Accrued Expenses$0$0→ $0
Grants Payable$0$0→ $0
Mortgage Notes Payable Secured by Investment Property$0$0→ $0
Unsecured Notes Loans Payable$0$0→ $0
Other Liabilities$0--
Deferred Revenue$0$0→ $0
Escrow Account Liability$0$0→ $0
Tax Exempt Bond Liabilities$0$0→ $0
Total Liabilities$0$0→ $0
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$141,292$195,949▲ $54,657
Net Assets With Donor Restrictions$0$0→ $0
Total Net Assets Fund Balance$141,292$195,949▲ $54,657
Total Liabilities and Net Assets / Fund Balance$141,292$195,949▲ $54,657
Compensation and Service Providers
Top Officer Pay90th percentile

Employees

NameTitleFull / Part TimeBaseTotal
Marina RadiushinaArtistic DirectorFT$30,000$30,000

Board Members and Trustees

NameTitle
Lewis EidsonPresident
Margaret EidsonDirector
Revenue and Support

Revenue Composition

Contributions and Grants
$147,018
Program Service Revenue
$31,347
Investment Income
$0
Other Revenue
$0
All Other Contributions
$23,310
Change in Net Assets
$54,657
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$93,708
Salaries, Compensation, and Employee Benefits$30,000
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Fees for Services Other$31,965--$31,965
Current Officers, Directors, Trustees, and Key Employees$15,000$15,000-$30,000
Occupancy$15,880--$15,880
Travel$8,803--$8,803
Advertising$7,228--$7,228
Information Technology$2,650--$2,650
Office Expenses$2,041--$2,041
Other Expenses$1,558$0$0$1,558
Insurance$255--$255
Conferences and Meetings$207--$207
Total Functional Expenses$108,708$15,000$0$123,708
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Insider Transactions and Loans

Loans and Receivables

Line ItemBeginningEndChange
Loans from Officers, Directors, Trustees, and Key Employees$0$0→ $0
Receivables from Disqualified Persons$0$0→ $0
Receivables from Officers, Directors, Trustees, and Key Employees$0$0→ $0
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
Yes
Other officer compensation reviewed
Yes
Conflict-of-interest policy
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section A, Line 2

“Margaret Eidson and Lewis Eidson are married”

Form 990, Part VI, Section B, Line 11B

“The Form 990 is reviewed by the Board before submission to ensure accuracy and completeness.”

Form 990, Part VI, Section B, Line 12C

“All officers, directors, and key employees are required to complete annual conflict of interest disclosure forms. Compliance is monitored by the Board, which reviews the forms and addresses any potential conflicts as needed”

Form 990, Part VI, Section B, Line 15

“The compensation of the Executive Director and other employees is determined through a process that includes review and approval by board members and use of comparability data from similar organizations in the geographical area.”

Form 990, Part VI, Section C, Line 19

“The organization's governing documents, conflict of interest policy, and financial statements are available to the public upon request.”

Filing and Contact Details

Filer

Filer Name
Miami Chamber Music Society
EIN
46-4383141
Phone
7865561715
Address
14155 SW 88 Ave, Miami, FL 33176

Signing Officer

Name
Marina Radiushina
Title
Artistic Director
Phone
7865561715
Signed
2025-07-08

Organization Details

Principal Officer
Lewis Eidson
Formed
2013
Legal Domicile
Fl
Voting Board Members
3
Independent Board Members
3
Employees
0
Volunteers
7
Supplemental Narrative

Additional Explanations

Form 990, Part IX, Line 11G

“Artist Fees”

Raw XML AppendixShowing 400 of 414 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

Path#Value
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IRS990/DelegationOfMgmtDutiesInd00
IRS990/Desc0Present classical music concerts as part of the Mainly Mozart Festival, featuring a total of eight (8) events, which were attended by over 10,000 individuals. In addition to the festival, we also host educational and cultural community outreach initiatives. This year, six (6) educational events were held, benefiting 2,700 residents of Miami-Dade County.
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IRS990/GamingActivitiesInd00
IRS990/GoverningBodyVotingMembersCnt03
IRS990/GovernmentGrantsAmt0123708
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IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt096191
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt050792
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt0699579
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt031347
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt026703
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt028555
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt02000
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt088605
IRS990ScheduleA/InvestmentIncomeCYPct00
IRS990ScheduleA/InvestmentIncomePYPct00
IRS990ScheduleA/PubliclySupportedOrg509a2Ind0X
IRS990ScheduleA/PublicSupportCY509Pct00.70197
IRS990ScheduleA/PublicSupportPY509Pct00.67291
IRS990ScheduleA/PublicSupportTotal509Amt0553284
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearAmt017500
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus1YearAmt016400
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus2YearsAmt0171000
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus3YearsAmt030000
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus4YearsAmt00
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt0234900
IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind0X
IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt0178365
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt0159825
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt0301011
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt098191
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt050792
IRS990ScheduleA/Total509Grp/TotalAmt0788184
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt0178365
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt0159825
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt0301011
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt098191
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt050792
IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt0788184
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt0RESTRICTED
IRS990/ScheduleBRequiredInd01
IRS990/ScheduleJRequiredInd00
IRS990/ScheduleORequiredInd01
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0Margaret Eidson and Lewis Eidson are married
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1The Form 990 is reviewed by the Board before submission to ensure accuracy and completeness.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2All officers, directors, and key employees are required to complete annual conflict of interest disclosure forms. Compliance is monitored by the Board, which reviews the forms and addresses any potential conflicts as needed
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3The compensation of the Executive Director and other employees is determined through a process that includes review and approval by board members and use of comparability data from similar organizations in the geographical area.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt4The organization's governing documents, conflict of interest policy, and financial statements are available to the public upon request.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt5Artist Fees
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990, Part VI, Section A, Line 2
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990, Part VI, Section B, Line 11b
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Form 990, Part VI, Section B, Line 12c
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3Form 990, Part VI, Section B, Line 15
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc4Form 990, Part VI, Section C, Line 19
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc5Form 990, Part IX, Line 11g
IRS990/SchoolOperatingInd00
IRS990/SignificantChangeInd00
IRS990/SignificantNewProgramSrvcInd00
IRS990/SubjectToExcsTaxNetInvstIncInd00
IRS990/SubjectToProxyTaxInd00
IRS990/SubjToTaxRmnrtnExPrchtPymtInd00
IRS990/TaxablePartyNotificationInd00
IRS990/TaxExemptBondLiabilitiesGrp/BOYAmt00
IRS990/TaxExemptBondLiabilitiesGrp/EOYAmt00
IRS990/TaxExemptBondsInd00
IRS990/TerminateOperationsInd00
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IRS990/TotalAssetsEOYAmt0195949
IRS990/TotalAssetsGrp/BOYAmt0141292
IRS990/TotalAssetsGrp/EOYAmt0195949
IRS990/TotalCompGreaterThan150KInd00
IRS990/TotalContributionsAmt0147018
IRS990/TotalEmployeeCnt00
IRS990/TotalFunctionalExpensesGrp/FundraisingAmt00
IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt015000
IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt0108708
IRS990/TotalFunctionalExpensesGrp/TotalAmt0123708
IRS990/TotalGrossUBIAmt00
IRS990/TotalLiabilitiesBOYAmt00
IRS990/TotalLiabilitiesEOYAmt00
IRS990/TotalLiabilitiesGrp/BOYAmt00
IRS990/TotalLiabilitiesGrp/EOYAmt00
IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt0141292
IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt0195949
IRS990/TotalOtherCompensationAmt00
IRS990/TotalOtherProgSrvcExpenseAmt00
IRS990/TotalOtherProgSrvcGrantAmt00
IRS990/TotalOtherProgSrvcRevenueAmt00
IRS990/TotalOthProgramServiceRevGrp/ExclusionAmt00
IRS990/TotalOthProgramServiceRevGrp/RelatedOrExemptFuncIncomeAmt00
IRS990/TotalOthProgramServiceRevGrp/TotalRevenueColumnAmt00
IRS990/TotalOthProgramServiceRevGrp/UnrelatedBusinessRevenueAmt00
IRS990/TotalProgramServiceExpensesAmt0108708
IRS990/TotalProgramServiceRevenueAmt031347
IRS990/TotalReportableCompFromOrgAmt030000
IRS990/TotalRevenueGrp/ExclusionAmt00
IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt031347
IRS990/TotalRevenueGrp/TotalRevenueColumnAmt0178365
IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt00
IRS990/TotalVolunteersCnt07
IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt0141292
IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt0195949
IRS990/TotReportableCompRltdOrgAmt00
IRS990/TravelGrp/ProgramServicesAmt08803
IRS990/TravelGrp/TotalAmt08803
IRS990/TrnsfrExmptNonChrtblRltdOrgInd00
IRS990/TypeOfOrganizationCorpInd0X
IRS990/UnrelatedBusIncmOverLimitInd00
IRS990/UnsecuredNotesLoansPayableGrp/BOYAmt00
IRS990/UnsecuredNotesLoansPayableGrp/EOYAmt00
IRS990/UponRequestInd0X
IRS990/USAddress/AddressLine1Txt014155 SW 88 Ave
IRS990/USAddress/CityNm0Miami
IRS990/USAddress/StateAbbreviationCd0FL
IRS990/USAddress/ZIPCd033176
IRS990/VotingMembersGoverningBodyCnt03
IRS990/VotingMembersIndependentCnt03
IRS990/WebsiteAddressTxt0www.mainlymozart.com
IRS990/WhistleblowerPolicyInd01
ReasonableCauseExplanation/ExplanationTxt0This is a timely filing. Form 8868 has been filed and accepted by IRS
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm0Marina Radiushina
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0Artistic Director
ReturnHeader/BusinessOfficerGrp/PhoneNum07865561715
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-07-08

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