ISWC · Musical Work

T-900953155-9

SAY SO

46 recordings

Last verified: September 13, 2026

The ISWC for “SAY SO” is T-900953155-9. 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 46 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

900953155Work 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

ISRC46 recordings

ISWCSAY SO

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00451303497 00526752051 00575957098 00229216674 00192900172

SourcesCISACMusicBrainz2 sources

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CISAC ISWC registry search

Identifier Graph

What is ISWC T-900953155-9?

T-900953155-9 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “SAY SO”. 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 46 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-900953155-9

Format

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What is ISWC T-900953155-9?

T-900953155-9

Format

What other identifiers does this connect to?

Recordings (46)

Verified on

People also ask

What is ISWC T-900953155-9?

Recordings (46)