ISWC · Musical Work

T-331834612-8

R U SLEEPING

2 recordings

Last verified: October 3, 2026

The ISWC for “R U SLEEPING” is T-331834612-8. 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 2 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

331834612Work number

8Check 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

ISRC2 recordings

ISWCR U SLEEPING

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00447434350

Creative Contributors (ISNI)

0000 0000 7843 3165 0000 0003 6846 9668

SourcesCISACMusicBrainzNotes Credits3 sources

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CISAC ISWC registry search

Identifier Graph

What is ISWC T-331834612-8?

T-331834612-8 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “R U SLEEPING”. 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 2 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.

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T-331834612-8

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What is ISWC T-331834612-8?

T-331834612-8

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What other identifiers does this connect to?

Which releases contain this work? (2)

Recordings (2)

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What is ISWC T-331834612-8?

Which releases contain this work? (2)

Recordings (2)