ISWC · Musical Work

T-308815513-5

BEST DAY OF MY LIFE

143 recordings

Last verified: November 3, 2026

The ISWC for “BEST DAY OF MY LIFE” is T-308815513-5. 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 143 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

308815513Work number

5Check 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

ISRC143 recordings

ISWCBEST DAY OF MY LIFE

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00690793011 00563592231 00634129363 00345209671 00565632434 00563592133 00475849697 01234410598 00560790931 00565622634

+2 more

SourcesMusicBrainzMLC via NotesCISAC3 sources

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CISAC ISWC registry search

Identifier Graph

What is ISWC T-308815513-5?

T-308815513-5 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “BEST DAY OF MY LIFE”. 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 143 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-308815513-5

Format

What other identifiers does this connect to?

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What is ISWC T-308815513-5?

T-308815513-5

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What other identifiers does this connect to?

Which releases contain this work? (3)

Recordings (143)

Verified on

People also ask

What is ISWC T-308815513-5?

Which releases contain this work? (3)

Recordings (143)