ISWC · Musical Work

T-900305483-9

Things Ain’t What They Used to Be

23 recordings

Last verified: July 2, 2026

The ISWC for “Things Ain’t What They Used to Be” is T-900305483-9. 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 23 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

900305483Work 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

ISRC23 recordings

ISWCThings Ain’t What They Used to Be

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00009211814 00018973359 00020918504 00020918602 00043281895 00201530042 00788667264 00030373028 00009212125 00460395650

Creative Contributors (ISNI)

SourcesNotes CreditsMusicBrainzCISAC3 sources

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-900305483-9?

T-900305483-9 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “Things Ain’t What They Used to Be”. 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 23 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-900305483-9

Format

What other identifiers does this connect to?

Verified on

People also ask

What is ISWC T-900305483-9?

T-900305483-9

Format

What other identifiers does this connect to?

Which releases contain this work? (18)

Recordings (23)

Verified on

People also ask

What is ISWC T-900305483-9?

Which releases contain this work? (18)

Recordings (23)