Associated Chamber Music Players

What Associated Chamber Music Players does

Associated Chamber Music Players (ACMP) is a US-based 501(c)(3) nonprofit founded in 1947 by Helen Rice and headquartered at 1133 Broadway in New York City. The organization operates a global membership network serving adult amateur chamber musicians, connecting them through four searchable online directories — a Players Directory with more than 5,200 members, a Coach Directory of 167 professional coaches, an Organization Directory of 129 chamber music groups and schools, and an Events & Workshops Directory. Membership has been free since September 2022, when ACMP eliminated dues to mark its 75th anniversary; the stated mission is to support chamber music played "for pleasure" by people of all ages and skill levels in more than 54 countries.

The underlying technology is a set of WordPress-hosted web directories with profile search by location, instrument, playing level, and musical interests, supplemented by the Timbre Web App launched in February 2024 to facilitate online musician matching and remote playing. ACMP runs a Technology Task Force that supports members using third-party low-latency audio platforms (JamKazam, Jamulus, SonoBus, JackTrip, SoundJack), and offers online master classes with professional ensembles such as the Kronos Quartet, Imani Winds, and Jasper String Quartet. The organization does not maintain a public API or SDK.

Revenue mechanics are donation-driven: ACMP relies on tax-deductible contributions from members and supporters, supplemented by a small ACMP Store selling branded merchandise (mugs at $18, books at $15, holiday cards, and napkins, US shipping only). The ACMP Foundation, a wholly-owned subsidiary incorporated in 1993 following the Clinton B. Ford Bequest, manages an endowment that funds grant programs (Home Coaching, Play-In, Just Play, Impresario, Workshop and Community Music) and the Susan McIntosh Lloyd Award — cumulatively over $4 million distributed across more than 3,000 grants since 1993. The flagship annual event is the Worldwide Play-In Weekend in May. Operations are run by a six-person staff under Executive Director Stephanie Griffin, with no parent company or external investor ownership.

Name

Associated Chamber Music Players

Legal name

Associated Chamber Music Players Inc.

Website

https://acmp.net

Company type

Private

Founded year

1947

Operating status

Operating

Headcount range

1–10 employees

Short description

Associated Chamber Music Players (ACMP) is a US-based 501(c)(3) nonprofit that connects over 5,200 amateur chamber musicians, 167 coaches, and 129 organizations in 54+ countries via free searchable online directories, grant programs, and the annual Worldwide Play-In Weekend.

Ownership category

akta.pro rank

Product category

Music Community Services

NAICS

Professional Organizations (81392)

SIC

Services-Membership Organizations (8600)

akta.pro primary industry

Fan Club, Community & CRM Management (MPAIAGAJ)

akta.pro secondary industry

Performing Arts Centers & Presenters (Programming/Booking) (MPAGABAM)

Keywords

• Chamber music network
• Amateur musician community
• Music grants program
• Online musician directory
• Chamber music workshops

Headquarters

HQ city

New York

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Others, Marketing or Sales, Technology or R&D

Revenue model

1. Donations and Charitable Contributions: ACMP is a registered 501(c)(3) nonprofit organization that relies on tax-deductible donations from members and supporters. Donations help fund membership directory services, grants to support amateur chamber music activities, and organizational programs.
2. Membership Fees: Membership is free as of September 2022 when ACMP dropped membership dues to celebrate its 75th anniversary.
3. Merchandise Sales: ACMP sells branded merchandise including mugs ($18), holiday cards, napkins, and books through its online store, with shipping within the USA.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

ACMP is a membership-based 501(c)(3) nonprofit that operates searchable online directories of players, coaches, organizations, and events to connect amateur chamber musicians globally. It runs the ACMP Foundation grants program (Workshop/Community Music, Home Coaching, Play-In, Just Play, Impresario, and the Susan McIntosh Lloyd Award), organizes the annual Worldwide Play-In Weekend, hosts online master classes, and provides member benefits and a small merchandise store.

Product overview

ACMP operates as a membership-based nonprofit chamber music network organized around a suite of interconnected directories and programs. The core platform consists of four searchable online directories — a Players Directory (5,201+ members), a Coach Directory (167 coaches), an Organization Directory (129 organizations), and an Events & Workshops Directory (37 events) — all designed to connect amateur and professional chamber musicians globally. Supporting these directories are the ACMP Foundation Grant Programs, which distribute funding for workshops, home coaching, play-ins, and informal concerts; the annual Worldwide Play-In Weekend as a flagship community event; and online master classes with professional ensembles. ACMP also launched the Timbre web app in February 2024 to facilitate online musician matching. The organization functions as a 501(c)(3) nonprofit with free membership, and does not operate a traditional software product with an API.

Differentiator

Problem solved

Functional benefit

Products and services

• Players Directory A searchable online directory allowing members and the public to find chamber musicians by location, instrument, playing level, and musical interests. Lists 5,201+ players; full profiles require login. Free for members and the public to browse.
• Coach Directory A searchable directory of chamber music coaches listed by location, instruments taught, and availability for online coaching. Contains 167 coach listings spanning multiple countries, allowing members to find professional coaching support.
• Organization Directory A searchable directory of chamber music organizations, workshops, community music schools, ensembles, and festivals worldwide. Contains 129 organization listings searchable by location, type, and keywords.
• Events & Workshops Directory A searchable calendar and listing of chamber music events, workshops, festivals, masterclasses, play-ins, and contact exchanges. Contains 37 events listed, filterable by date, location, proximity, and event type.
• ACMP Foundation Grant Programs A portfolio of grant programs supporting amateur chamber music activities globally, including Workshop and Community Music Grants, Home Coaching, Play-In grants (up to $500), Just Play micro-grants (up to $300), Impresario grants (up to $500), and the Susan McIntosh Lloyd Award for excellence and diversity in chamber music education. Does not require nonprofit/charity status for grantees.
• Timbre Web App A web application launched by ACMP in February 2024 enabling members to find and connect with compatible chamber musicians online. Facilitates online chamber music playing and community connection.
• Worldwide Play-In Weekend ACMP's flagship annual event mobilizing chamber musicians worldwide to organize and participate in public play-in sessions. The official weekend takes place in May during National Chamber Music Month, with additional play-ins organized throughout the year.
• Online Master Classes and Webinars ACMP's virtual programming featuring live-streamed master classes with professional ensembles such as the Kronos Quartet (e.g., "50 for the Future" on November 12, 2022), Imani Winds, and Jasper String Quartet, and educational webinars on chamber music topics.
• Member Benefits Program A portfolio of discounts and exclusive offers available to ACMP members, including reduced rates on music stand lighting (Aria Lights 20% off), instrument insurance (Anderson Insurance $0.45 per $100; Aston Lark 10% off), Juilliard Extension courses (25% off Folk and Fiddle), 92nd Street Y chamber music reading sessions ($20 off), nkoda sheet music library (10% off + free trial), Sweetwater musical equipment discounts, Subito Music sheet music (20% catalogue discount), Google Workspace trial and discount, JamKazam (50% off one-year plan), and Chamber Music America National Conference member rate.
• ACMP Store Online merchandise store selling ACMP-branded items including cartoon mugs ($18), holiday cards ($25 per set of 20), napkins ($13 per set of 20), and the book 'Adams to Zemlinsky: A Friendly Guide to Selected Chamber Music' ($15). Ships within the USA only; NY state residents subject to 8.875% sales tax.

Quantifiable outcome

• Over 4,900 members in 54 countries connected through ACMP's directories and programs
• +2 more outcomes

Named customers7 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Feature5 records

Partnerships

14 partnerships are on record, tiered minor and core.

• 92nd Street YminorChannel Partner/ Reseller/ Distributor92nd Street Y offers ACMP members a $20 discount off Chamber Music Reading sessions. This partnership provides member discounts as part of ACMP's broader member benefits program.
• Anderson InsuranceminorChannel Partner/ Reseller/ DistributorAnderson Insurance provides ACMP members with musical instrument insurance at a rate of $0.45 per $100 USD of coverage.
• Aria LightsminorChannel Partner/ Reseller/ DistributorAria Lights offers ACMP members a 20% discount on music stand lighting products.
• Aston LarkminorChannel Partner/ Reseller/ DistributorAston Lark provides ACMP members with a 10% discount on instrument insurance.
• Chamber Music America (CMA)coreStrategic or Co-development PartnerACMP partners with Chamber Music America (CMA), with ACMP members attending the CMA National Conference at the special CMA member rate. This is a key industry partnership for chamber music professionals and amateurs.
• JamKazamcoreTechnology or IntegrationJamKazam offers ACMP members a 50% discount on one-year plans for low-latency online music collaboration software, enabling members to play chamber music together remotely.
• Juilliard ExtensionminorChannel Partner/ Reseller/ DistributorJuilliard Extension offers ACMP members a 25% discount on the Folk and Fiddle Class.
• nkodaminorChannel Partner/ Reseller/ Distributornkoda offers ACMP members a 10% discount and a free trial on its sheet music library and app.
• SweetwaterminorChannel Partner/ Reseller/ DistributorSweetwater provides ACMP members with a custom discount on musical equipment and supplies.
• Subito MusicminorChannel Partner/ Reseller/ DistributorSubito Music offers ACMP members a 20% catalogue discount on sheet music.
• IMSLP (Petrucci Music Library)minorStrategic or Co-development PartnerEdward Guo, founder and director of IMSLP (the world's most important online music library), received the Helen Rice Award from ACMP in 2018 for his contributions to chamber music accessibility.
• Kronos QuartetcoreStrategic or Co-development PartnerACMP partnered with the Kronos Quartet to host online master classes for members, including the first Kronos Quartet master class on November 12, 2022 featuring groups from Idaho State University, San Francisco Conservatory of Music, and SUNY New Paltz.
• Imani WindscoreStrategic or Co-development PartnerACMP has partnered with the Imani Winds wind quintet to offer online webinars and master classes where members learn from leading chamber ensembles.
• Jasper String QuartetcoreStrategic or Co-development PartnerACMP has partnered with the Jasper String Quartet to offer online master classes and educational content for members.

Scale indicators8 records

Recent moves7 records

Expansion highlights5 records

Others

• Meetup: Online platform for organizing local interest-based groups and gatherings. Comparable to ACMP's directory and event functions as a community-formation tool, though general-purpose rather than chamber-music-specialized.
• VolunteerMatch: Online nonprofit connecting volunteers with community organizations. Comparable as a nonprofit community/membership platform facilitating connections, though serving general volunteering rather than music-specific use cases.

Direct peers

• Chamber Music America: National service organization for the chamber music profession, representing ensembles, presenters, and educators. ACMP and CMA have a formal partnership (mutual discounts on CMA National Conference), making CMA the most direct comparable as a chamber-music membership body.
• National Federation of Music Clubs: 115-year-old US nonprofit membership organization supporting amateur and professional music performance and education. Comparable to ACMP as a community/membership body funding amateur music activities through grants, competitions, and festivals.
• Apple Hill Center for Chamber Music: Chamber music education and performance center in New Hampshire running summer workshops and ensembles. Receives ACMP grants and serves overlapping amateur chamber musician audiences; a direct comparable in the chamber music workshop/organization space.
• Sphinx Organization: Detroit-based nonprofit advancing diversity in classical music through performance and leadership programs. Received the inaugural Susan McIntosh Lloyd Award from ACMP, directly comparable as a chamber-music-focused diversity and education organization.

Broad incumbents

• Interlochen Center for the Arts: Major performing arts education institution offering summer camps and an academy across multiple disciplines. Overlaps with ACMP in supporting chamber music performance and amateur-to-professional pathways, but at much larger scale and broader scope.
• Chamber Music Society of Lincoln Center: Premier US chamber music presenting organization running concerts, education, and artist development. Comparable in category leadership but focused on professional performance and education rather than amateur musician matching.

Emerging players

• IDAGIO: Classical music streaming and discovery platform serving serious listeners and musicians. Adjacent comparable as a digital platform serving the classical/chamber music community, though commercial rather than nonprofit and consumer-facing rather than community-driven.
• IMSLP / Petrucci Music Library: World's largest public-domain sheet music library, founded by Edward Guo who received ACMP's 2018 Helen Rice Award. Comparable to ACMP as a community resource enabling chamber music participation, though focused on repertoire access rather than musician matching.

Market position

Strengths1 record

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/acmpmusic
• YouTubeyoutube.com/channel/UC7LjQcDD2RxxHv5ZEuzu3Ig
• Facebookfacebook.com/ACMPchambermusic
• Instagraminstagram.com/acmpmusic
• LinkedInlinkedin.com/company/associated-chamber-music-players

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Associated Chamber Music Players