ISWC · Musical Work

T-331407221-0

DARK THOUGHTS

10 recordings

Last verified: November 6, 2026

The ISWC for “DARK THOUGHTS” is T-331407221-0. 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 10 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

ISRC10 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 10 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 (10)

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People also ask

What is ISWC T-331407221-0?

Which releases contain this work? (5)

Recordings (10)