ISWC · Musical Work

T-921943612-1

Exercise #4

4 recordings

Last verified: September 10, 2026

The ISWC for “Exercise #4” is T-921943612-1. 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 4 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

921943612Work number

1Check 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

ISRC4 recordings

ISWCExercise #4

Previously known as

T-803238768-2

SourcesCISACMusicBrainz2 sources

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-921943612-1?

T-921943612-1 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “Exercise #4”. 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 4 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-921943612-1

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What is ISWC T-921943612-1?

T-921943612-1

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Recordings (4)

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What is ISWC T-921943612-1?

Recordings (4)