International Directory of Musical Literature

What International Directory of Musical Literature does

Répertoire International de Littérature Musicale (RILM), branded as the International Directory of Musical Literature, is a 501-style non-profit organization founded in 1966 and headquartered at the CUNY Graduate Center in New York. RILM documents and disseminates music research worldwide through a portfolio of digital bibliographic databases, full-text journal archives, music encyclopedias, and score-indexing tools. Its flagship product, RILM Abstracts of Music Literature, contains over 1.8 million bibliographic records covering writings on music from the early 19th century to the present, with abstracts and detailed indexing in multiple languages. The organization adds approximately 50,000 records per year through a combination of international office editors and a global network of national committees. Complementary products include RILM Abstracts with Full Text (RAFT, covering 250+ journals), RILM Index to Scores and Collected Editions (594,283 records, acquired from James Adrian Music Company in 2018), RILM Music Encyclopedias (354,633 entries), DEUMM Online (35,000+ Italian-language articles), MGG Online (the authoritative German-language music encyclopedia), and Hofmeister XIX (330,000+ bibliographic records from the 19th century onward).

RILM's technical platform is the proprietary Egret system, which hosts the encyclopedia portfolio and provides advanced search and browse, user account annotation and note-sharing, cross-reference linking, mobile compatibility, and built-in Google Translate integration for 100+ languages. The Egret platform positions RILM as both a content provider and a service platform operator, though its flagship databases are distributed exclusively through EBSCO Information Services via EBSCOhost. The organization is accredited by UNESCO and governed jointly by four international musicological societies: the International Musicological Society (IMS, founding 1966), the International Association of Music Libraries, Archives, and Documentation Centres (IAML, founding 1966), the International Council for Traditions of Music and Dance (ICTMD, since 2007), and the International Association for the Study of Popular Music (IASPM, since 2022).

RILM operates a subscription-based revenue model, with annual institutional subscriptions channeled exclusively through EBSCOhost to academic libraries, universities, and music research institutions globally. Supplementary revenue comes from one-time purchases of book publications—including the RILM Manual of Style, RILM Retrospectives, and RILM Perspectives series—sold through EBSCOhost Collection Manager, GOBI, and other institutional channels. RILM does not disclose pricing publicly. The organization is privately funded as a non-profit with no PE/VC involvement, no IPO, and no disclosed revenue figures; its financial scale is inferred from its 51–100 employee base, 60-year operating history, and the scale of its global contributor and subscriber network.

Name

International Directory of Musical Literature

Legal name

Répertoire International de Littérature Musicale, Inc.

Website

https://www.rilm.org

Company type

Private

Founded year

1966

Operating status

Operating

Headcount range

51–100 employees

Short description

Répertoire International de Littérature Musicale (RILM) is a UNESCO-accredited non-profit founded in 1966 that documents and disseminates global music research through subscription-based bibliographic databases, full-text journals, music encyclopedias, and score indexes serving academic libraries and music scholars worldwide.

Ownership category

akta.pro rank

Product category

Academic Research Databases

NAICS

Book Publishers (513130), Other Publishers (51319), Web Search Portals, Libraries, Archives, and Other Information Services (5192)

SIC

Books: Publishing Or Publishing & Printing (2731), Miscellaneous Publishing (2741)

akta.pro primary industry

Humanities & Arts Scholarly Publishing (EDAGAFAE)

akta.pro secondary industry

E-book Subscription & Bundling Services (MPAJAMAB)

Keywords

• Music bibliography databases
• Academic research databases
• Music reference encyclopedias
• Music scholarship indexes
• Digital music research tools

Headquarters

HQ city

Brooklyn

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Digital Commerce or Content

Cost components

Personnel, Technology or R&D, Operations, Others

Revenue model

1. Database Subscriptions: RILM databases are currently exclusively available through EBSCO Information Services. Academic institutions, libraries, and research organizations subscribe to access the databases. The flagship RILM Abstracts of Music Literature with Full Text provides access to over 250 music journals with full-text content.
2. Book Publications: RILM publishes print and electronic book publications including the RILM Manual of Style, RILM Retrospectives series, and RILM Perspectives series. These are sold through EBSCOhost Collection Manager, GOBI, and institutional channels.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

RILM produces comprehensive digital bibliographies, encyclopedias, and reference databases covering global music scholarship from the early 19th century to the present. Its flagship product, RILM Abstracts of Music Literature, contains over 1.8 million records and is distributed through EBSCO Information Services to academic libraries and research institutions worldwide. The organization also develops specialized indexes, full-text collections, and curated reference works for music researchers.

Product overview

RILM (Répertoire International de Littérature Musicale) is a nonprofit organization offering a portfolio of digital music literature databases and reference tools. Its core offerings include: RILM Abstracts of Music Literature (a comprehensive international bibliography of writings on music with over 1.8 million records), RILM Abstracts with Full Text (RAFT, an add-on providing full-text access to 250+ music journals), RILM Index to Scores and Collected Editions (a search tool for individual works in printed collections with 594,283 records), RILM Archive of Popular Music Magazines (a full-text popular music magazine archive), and Hofmeister XIX (a database of 330,000+ bibliographic records from the 19th century). The portfolio also includes encyclopedia products: RILM Music Encyclopedias (cross-searchable full-text encyclopedias with 354,633 entries), DEUMM Online (35,000+ articles in Italian), and MGG Online (20,000+ articles, the authoritative German-language music encyclopedia). All encyclopedia products and MGG Online are hosted on RILM's proprietary Egret platform, which provides advanced search and browse, integrated Google Translate for 100+ languages, user annotation and note-sharing, and cross-references to RILM Abstracts. Additional offerings include Book Publications (RILM Retrospectives, RILM Perspectives, and The RILM Manual of Style). RILM databases are distributed exclusively through EBSCOhost. The company was founded in 1966, is headquartered at the CUNY Graduate Center in New York, and is accredited by UNESCO.

Differentiator

Problem solved

Functional benefit

Brands

• Egret: RILM's proprietary user platform with advanced search and browse capabilities for hosting and distributing music reference works, including MGG Online and RILM Music Encyclopedias.
• Bibliolore
• MGG Online
• DEUMM Online
• Hofmeister XIX

Products and services

• RILM Abstracts of Music Literature The flagship international bibliography of scholarly publications on music, containing over 1.8 million records covering music scholarship from the early 19th century to the present. Aimed at academic libraries, music researchers, and scholars worldwide.
• RILM Abstracts of Music Literature with Full Text (RAFT)

Quantifiable outcome

• 1,800,220 bibliographic records in RILM Abstracts of Music Literature
• +2 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature4 records

Partnerships

Eight partnerships are on record, tiered minor, core and flagship.

• International Association for the Study of Popular Music (IASPM)minorStrategic or Co-development Partner · 1 January 2022Joined as the fourth sponsoring organization of RILM in 2022.
• James Adrian Music CompanyminorOthers · 1 July 2018RILM acquired the Index to Printed Music (IPM) from the James Adrian Music Company, which was founded in 2000 by George R. Hill.
• International Council for Traditions of Music and Dance (ICTMD)coreStrategic or Co-development Partner · 1 January 2007Joined as the third sponsoring organization of RILM in 2007. ICTMD is one of three organizations represented in the Commission Mixte International governing body.
• International Musicological Society (IMS)coreStrategic or Co-development Partner · 1 January 1966Founding sponsoring organization of RILM along with IAML. IMS is one of three organizations represented in the Commission Mixte International governing body.
• International Association of Music Libraries, Archives, and Documentation Centres (IAML)coreStrategic or Co-development Partner · 1 January 1966Founding sponsoring organization of RILM along with IMS. IAML is one of three organizations represented in the Commission Mixte International governing body.
• EBSCO Information ServicescoreChannel Partner/ Reseller/ DistributorEBSCO serves as the exclusive online provider for RILM databases including RILM Abstracts of Music Literature, RILM Music Encyclopedias, MGG Online, and other products. All institutional subscriptions are managed through EBSCOhost.
• UNESCOflagshipOthersRILM is accredited by UNESCO and plays a key role in safeguarding global musical heritage. This accreditation establishes RILM as an authoritative international organization in music documentation.
• Museum of Fine Arts, BostonminorOthersAll instrument photographs on RILM's website are used with permission from the Museum of Fine Arts, Boston.

Scale indicators9 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• JSTOR: Digital library archiving scholarly journals, books, and primary sources across the humanities and social sciences; RILM's music abstracts and full-text journals compete for the same academic library subscription dollar.
• Project MUSE: Scholarly humanities and social sciences digital platform distributing journals and books from university presses and scholarly societies; directly comparable as a discovery-and-access layer for music and arts scholarship.
• HathiTrust Digital Library: Large-scale collaborative digital preservation repository providing full-text search across millions of scholarly volumes; an institutional competitor for humanities discovery budgets that RILM also serves.
• Oxford Music Online / Grove Music Online: Oxford University Press's flagship music reference platform anchored by Grove Music Online; competes head-to-head with RILM Music Encyclopedias and MGG Online in academic library reference acquisitions.

Broad incumbents

• ProQuest: Major aggregator of academic databases, dissertations, and primary sources; competes broadly for music and humanities library budget and bundles overlapping content types with RILM's.
• Brill: Academic publisher with deep humanities and musicology lists distributed via Brill Online; comparable as a niche scholarly publisher competing for the same institutional reference and journal spend.
• Cambridge Core: Cambridge University Press's academic platform publishing journals and reference works across music and the humanities; competes for musicology library subscriptions and scholarly reference acquisitions.

Emerging players

• Naxos Music Library: Streaming audio database for classical and world music widely licensed by academic libraries; overlaps with RILM as a complementary music research resource often purchased by the same music departments.
• Alexander Street (ProQuest): Streaming audio, video, and primary-source collections for music and the performing arts; now part of ProQuest and competing for music library acquisition budgets alongside RILM's databases.

Others

• EBSCO Information Services: RILM's exclusive distribution partner and host on EBSCOhost; also a competitor through its own aggregated research databases that bundle alternative music and humanities content.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat6 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/RILMMusicLit
• LinkedInlinkedin.com/company/r-pertoire-international-de-litt-rature-musicale-rilm-

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

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 International Directory of Musical Literature