Database Statistics
Live index counts across all music identifier types. Data sourced from the MLC, MusicBrainz, CISAC, and ISNI.org.
54.0M
ISRC Recordings
Sound recordings with ISRC codes, enriched with songwriter credits, publisher chains, and stream data.
125.3M
ISWC Musical Works
Musical compositions registered with ISWC codes, linking songs to all their recorded versions.
2.1M
IPI Songwriters & Publishers
Interested Parties Information codes for songwriters, composers, lyricists, and music publishers.
147K
ISNI Creative Contributors
International Standard Name Identifiers for creative contributors across the music industry.
5.3M
UPC Albums
Album releases with Universal Product Codes, linking to complete track listings with ISRCs.
Data Sources
MLC (Mechanical Licensing Collective)
Songwriter names, publisher chains, share percentages, ISWC connections, MLC Song Codes
MusicBrainz
CC0-licensed performer credits (vocals, guitar, drums), producer credits, artist relationships, release data
CISAC International Registry
Authoritative ISWC registration status, archived code redirects to preferred ISWCs
ISNI.org
Authoritative identity data — name variants, creation roles, birth/death dates for creative contributors
Credits Graph Coverage
Percentage of records linked to other identifier types. Higher coverage means richer, more connected data.
48.9%
ISRCs with ISWC
2.2%
ISRCs with songwriters
4.1%
ISWCs with ISRCs
15.7%
IPIs with ISRCs
2.1%
IPIs with ISNI
25.8%
ISNIs with IPI
Access This Data
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