ISWC · Musical Work

T-331407221-0

DARK THOUGHTS

9 recordings

Last verified: September 14, 2026

T-331407221-0 is the International Standard Musical Work Code (ISWC) for the musical composition "DARK THOUGHTS". 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 9 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

331407221Work number

0Check 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

ISRC9 recordings

ISWCDARK THOUGHTS

Previously known as

T-331407242-5

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

01210857089 01031928579

SourcesCISACMusicBrainz2 sources

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-331407221-0?

T-331407221-0 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition "DARK THOUGHTS". 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 9 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.

Learn more about ISWCs · Powered by Notes.fm

T-331407221-0

Format

Previously known as

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What is ISWC T-331407221-0?

T-331407221-0

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Previously known as

What other identifiers does this connect to?

Which releases contain this work? (5)

Recordings (9)

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What is ISWC T-331407221-0?

Which releases contain this work? (5)

Recordings (9)