ISWC · Musical Work

T-308312003-6

HAPPY BIRTHDAY

109 recordings

Last verified: November 6, 2026

The ISWC for “HAPPY BIRTHDAY” is T-308312003-6. ISWCs are ISO 15707 identifiers managed by CISAC; they identify the underlying song — its melody, lyrics, and arrangement — rather than any single recording. One composition can have many recordings (ISRCs). This work has 109 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

308312003Work number

6Check digit

Prefix:: "T" = musical work; "W" = work in progress.
Work number:: 9-digit unique work number assigned by CISAC.
Check digit:: ISO 7064 Mod 11-2 check digit that validates the rest of the code.

Credit Chain

ISRC109 recordings

ISWCHAPPY BIRTHDAY

Previously known as

T-010477581-6

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00047787534 00047793934 00047799132 00047799328 00247942343 00526689905 00602502895 00687133716 00270469654

SourcesCISACMusicBrainzMLCNotes Credits4 sources

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-308312003-6?

T-308312003-6 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “HAPPY BIRTHDAY”. ISWCs are defined by ISO 15707 and managed by CISAC. Unlike ISRCs which identify recordings, an ISWC identifies the underlying song — the melody, lyrics, and arrangement.

This work has 109 recordings (ISRCs) associated with it. Each recording represents a distinct version — such as the original, a remix, a live performance, or a cover — that shares the same underlying composition.

T-308312003-6

Format

Previously known as

What other identifiers does this connect to?

Verified on

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What is ISWC T-308312003-6?

T-308312003-6

Format

Previously known as

What other identifiers does this connect to?

Which releases contain this work? (6)

Recordings (109)

Verified on

People also ask

What is ISWC T-308312003-6?

Which releases contain this work? (6)

Recordings (109)