ISWC · Musical Work

T-700024844-4

I Didn’t Sleep a Wink

Last verified: July 28, 2026

T-700024844-4 is the International Standard Musical Work Code (ISWC) for the musical composition "I Didn’t Sleep a Wink". 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).

Format

TPrefix

700024844Work number

4Check 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.

SourcesMusicBrainzCISAC2 sources

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What is ISWC T-700024844-4?

T-700024844-4 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition "I Didn’t Sleep a Wink". 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.

T-700024844-4

Format

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What is ISWC T-700024844-4?

T-700024844-4

Format

Which releases contain this work? (12)

Who are the artists on this work?

Verified on

People also ask

What is ISWC T-700024844-4?

Which releases contain this work? (12)

Who are the artists on this work?