ISWC · Musical Work

T-331071220-6

Heart By Heart

6 recordings

Last verified: September 9, 2026

T-331071220-6 is the International Standard Musical Work Code (ISWC) for the musical composition "Heart By Heart". 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 6 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

331071220Work number

6Check 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

ISRC6 recordings

ISWCHeart By Heart

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00500713405 00500713601

Creative Contributors (ISNI)

0000 0001 1449 8610

SourcesCISACMusicBrainzNotes Credits3 sources

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CISAC ISWC registry search

Identifier Graph

What is ISWC T-331071220-6?

T-331071220-6 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition "Heart By Heart". 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 6 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-331071220-6

Format

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What is ISWC T-331071220-6?

T-331071220-6

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What other identifiers does this connect to?

Which releases contain this work? (6)

Recordings (6)

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People also ask

What is ISWC T-331071220-6?

Which releases contain this work? (6)

Recordings (6)