Music Identifier Education

Free guides to understanding ISRCs, ISWCs, and IPI codes — the identifiers that power the modern music industry.

What Is an ISRC?

International Standard Recording Code — the unique identifier for every sound recording and music video. Learn the format, how to get one, and why every recording needs an ISRC.

What Is an ISWC?

Musical Works

International Standard Musical Work Code — the unique identifier for musical compositions. Learn how ISWCs track songs across recordings, territories, and platforms.

What Is an IPI?

Songwriters & Publishers

Interested Parties Information code — the unique identifier for songwriters and publishers. Learn how IPIs connect rights holders to their works and royalties.

Data powered by the Mechanical Licensing Collective — built by Notes.fm