ISWC · Musical Work

T-307177916-9

HEARTFIRST

15 recordings

Last verified: October 26, 2026

The ISWC for “HEARTFIRST” is T-307177916-9. 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 15 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

307177916Work 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

ISRC15 recordings

ISWCHEARTFIRST

Previously known as

T-310081907-2

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00784787961 01118962741 00476165531 00585818204 00730423774 00748318321 00816917417 01017509288 00426047965

SourcesMLCMusicBrainzNotes CreditsCISAC4 sources

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-307177916-9?

T-307177916-9 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “HEARTFIRST”. 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 15 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-307177916-9

Format

Previously known as

What other identifiers does this connect to?

Verified on

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What is ISWC T-307177916-9?

T-307177916-9

Format

Previously known as

What other identifiers does this connect to?

Which releases contain this work? (7)

Recordings (15)

Verified on

People also ask

What is ISWC T-307177916-9?

Which releases contain this work? (7)

Recordings (15)