ISWC · Musical Work

T-904227807-9

Today I Sing the Blues

17 recordings

Last verified: October 11, 2026

The ISWC for “Today I Sing the Blues” is T-904227807-9. 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 17 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

904227807Work number

9Check 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

ISRC17 recordings

ISWCToday I Sing the Blues

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00010764709

Creative Contributors (ISNI)

0000 0001 1447 6112

SourcesMusicBrainzNotes CreditsCISAC3 sources

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CISAC ISWC registry search

Identifier Graph

What is ISWC T-904227807-9?

T-904227807-9 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “Today I Sing the Blues”. 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 17 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-904227807-9

Format

What other identifiers does this connect to?

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What is ISWC T-904227807-9?

T-904227807-9

Format

What other identifiers does this connect to?

Which releases contain this work? (9)

Recordings (17)

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People also ask

What is ISWC T-904227807-9?

Which releases contain this work? (9)

Recordings (17)