ISWC · Musical Work

T-315862528-2

I Wrote a Song

17 recordings

Last verified: September 15, 2026

The ISWC for “I Wrote a Song” is T-315862528-2. 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 17 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

315862528Work number

2Check 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

ISRC17 recordings

ISWCI Wrote a Song

Previously known as

T-315965302-4

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00803364265 00650824941 00859401810 00859401712 00258608637

Creative Contributors (ISNI)

0000 0004 8380 090X

SourcesCISACMusicBrainzNotes Credits3 sources

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-315862528-2?

T-315862528-2 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “I Wrote a Song”. 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 17 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

ISWC · Musical Work

T-315862528-2

I Wrote a Song

17 recordings

Last verified: September 15, 2026

Format

TPrefix

315862528Work number

2Check 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

ISRC17 recordings

ISWCI Wrote a Song

Previously known as

T-315965302-4

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00803364265 00650824941 00859401810 00859401712 00258608637

Creative Contributors (ISNI)

0000 0004 8380 090X

Which releases contain this work? (31)

I Wrote a Song

Mae Muller

00602455427212

I Wrote a Song

Mae Muller

00602455427229

Eurovision Song Contest: Liverpool 2023

Various Artists

00602455516336

I Wrote a Song (acoustic)

Mae Muller

00602455608215

I Wrote a Song (video version)

Mae Muller

00602455618252

I Wrote a Song (Remixes)

Mae Muller

00602455690784

I Wrote a Song (Remixes)

Mae Muller

00602455745927

I Wrote a Song (live)

Mae Muller

00602455801500

Sorry I’m Late

Mae Muller

00602455821690

Sorry I’m Late

Mae Muller

00602455821768

Sorry I’m Late

Mae Muller

00602455821812

Sorry I’m Late

Mae Muller

00602455821843

Sorry I’m Late

Mae Muller

00602455880727

Sorry I’m Late

Mae Muller

00602455880734

Sorry I’m Late… Again

Mae Muller

00602458523300

Sorry I’m Late… Again

Mae Muller

00602458523317

Sorry I’m Late… Again

Mae Muller

00602458523348

Sorry I’m Late… Again

Mae Muller

00602458523355

Sorry I’m Late… Again

Mae Muller

00602458523409

Sorry I’m Late… Again

Mae Muller

00602458523416

Rising Pop Stars

Various Artists

00602458764871

Sorry I’m Late

Mae Muller

06024557728002023-01-01

Now That’s What I Call Music! 115

Various Artists

1965882073272023-01-01

NOW That’s What I Call Music! 115

Various Artists

1968710376552023-07-28

NOW That’s What I Call Music! 115

Various Artists

1968710376792023-07-28

Eurovision Song Contest: Liverpool 2023

Various Artists

6024551888092023-01-01

Sorry I’m Late

Mae Muller

6024557326752023-01-01

Sorry I’m Late

Mae Muller

6024557327432023-01-01

Sorry I’m Late

Mae Muller

6024557327672023-01-01

Sorry I’m Late

Mae Muller

6024557327812023-01-01

Sorry I’m Late

Mae Muller

6024558669362023-01-01

Recordings (17)

I Wrote a Song

Mae Muller

DK2DY2300057

On release:Eurovision Song Contest: Liverpool 2023(00602455516350)

I Wrote a Song

Mae Muller

GBUM72301992

On release:I Wrote a Song(00602455427236)Sorry I’m Late(00602455821782)Sorry I’m Late(00602455821850)Sorry I’m Late… Again(00602458523379)

I Wrote a Song

Mae Muller

GBUM72301765

On release:I Wrote a Song(00602455427212)I Wrote a Song(00602455427229)Eurovision Song Contest: Liverpool 2023(00602455516336)I Wrote a Song (acoustic)(00602455608215)I Wrote a Song (video version)(00602455618252)I Wrote a Song (Remixes)(00602455690784)I Wrote a Song (Remixes)(00602455745927)I Wrote a Song (live)(00602455801500)Sorry I’m Late(00602455821690)Sorry I’m Late(00602455821768)Sorry I’m Late(00602455821812)Sorry I’m Late(00602455821843)Sorry I’m Late(00602455880727)Sorry I’m Late(00602455880734)Sorry I’m Late… Again(00602458523300)Sorry I’m Late… Again(00602458523317)Sorry I’m Late… Again(00602458523348)Sorry I’m Late… Again(00602458523355)Sorry I’m Late… Again(00602458523409)Sorry I’m Late… Again(00602458523416)

I Wrote A Song

Kidz Bop

USAB02303693

On release:KIDZ BOP 2023 Vol. 2(00888072520486)KIDZ BOP 2023 Vol. 2(888072520486)

Unknown Artist

Unknown Artist

Unknown Artist

Unknown Artist

I Wrote a Song (From “Eurovision 2023, UK”) (8-Bit Mae Muller Emulation)

8-Bit Arcade

AUXN22303043

On release:By Request, Vol. 205(9358782546164)

I Wrote a Song (acoustic)

Mae Muller

GBUM72302352

On release:I Wrote a Song (acoustic)(00602455608154)I Wrote a Song (acoustic)(00602455608185)I Wrote a Song (acoustic)(00602455608215)Acoustics(00602455926548)

I Wrote a Song (Jay Dixie remix)

Mae Muller

GBUM72303782

On release:I Wrote a Song (Remixes)(00602455690784)I Wrote a Song (Remixes)(00602455745903)I Wrote a Song (Remixes)(00602455745927)

I Wrote a Song (Jolyon Petch remix)

Mae Muller

GBUM72303780

On release:I Wrote a Song (Remixes)(00602455690784)

I Wrote a Song (live)

Mae Muller

GBUM72304277

On release:I Wrote a Song (live)(00602455801500)

I WROTE A SONG (SPED UP VERSION)

Unknown Artist

GBPS84730702

I Wrote a Song (Spencer Ramsay Bounce remix)

Mae Muller

GBUM72303758

On release:I Wrote a Song (Remixes)(00602455690784)I Wrote a Song (Remixes)(00602455745903)I Wrote a Song (Remixes)(00602455745927)

I Wrote a Song (Topic remix)

Mae Muller

GBUM72303685

On release:I Wrote a Song (Remixes)(00602455690784)

I Wrote a Song (video version)

Mae Muller

GBUM72302593

On release:I Wrote a Song (video version)(00602455618184)I Wrote a Song (video version)(00602455618221)I Wrote a Song (video version)(00602455618252)

MLC Song Code

IG5S9A

Verify on MLC Portal →

SourcesCISACMusicBrainzNotes Credits3 sources

Verified on

CISAC ISWC registry search

Identifier Graph

T-315862528-2

Format

Previously known as

What other identifiers does this connect to?

Verified on

People also ask

What is ISWC T-315862528-2?

T-315862528-2

Format

Previously known as

What other identifiers does this connect to?

Which releases contain this work? (31)

Recordings (17)

Verified on

People also ask

What is ISWC T-315862528-2?

Which releases contain this work? (31)

Recordings (17)