ISWC · Musical Work

T-308640958-3

USED TO KNOW ME

11 recordings

Last verified: September 26, 2026

The ISWC for “USED TO KNOW ME” is T-308640958-3. 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 11 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

308640958Work number

3Check 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

ISRC11 recordings

ISWCUSED TO KNOW ME

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00130433031 00532944546 01030042049 00202202155 00136960852 00036552682 00723691143 01035367278 00215869254 00719271044

+2 more

SourcesCISACMusicBrainzMLCNotes4 sources

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-308640958-3?

T-308640958-3 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “USED TO KNOW ME”. 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 11 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-308640958-3

USED TO KNOW ME

11 recordings

Last verified: September 26, 2026

Format

TPrefix

308640958Work number

3Check 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

ISRC11 recordings

ISWCUSED TO KNOW ME

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00130433031 00532944546 01030042049 00202202155 00136960852 00036552682 00723691143 01035367278 00215869254 00719271044

+2 more

Which releases contain this work? (33)

CRASH

Charli XCX

01902961982052022-01-01

CRASH

Charli XCX

01902964099432022-01-01

CRASH

Charli XCX

01902964099502022-01-01

CRASH

Charli XCX

01902964099672022-01-01

CRASH

Charli XCX

01902964099742022-01-01

CRASH

Charli XCX

01902964099812022-01-01

CRASH

Charli XCX

1902961448132022-03-25

CRASH

Charli XCX

190296144820

Used to Know Me

Charli XCX

1902961624802022-03-17

Used to Know Me

Charli XCX

1902961906292022-03-17

CRASH

Charli XCX

190296409158

CRASH

Charli XCX

190296409165

CRASH

Charli XCX

1902964099502022-01-01

CRASH

Charli XCX

1902964099982022-03-18

Miss You

Various Artists

50594601630102022-10-21

Women in Music

Various Artists

50594602942192024-05-22

Pristine Karaoke, Vol. 62

Backing Business

93587820125532022-04-10

By Request, Vol. 171

8-Bit Arcade

93587822589512022-04-13

CRASH

Charli XCX

49436743512132022-01-01

Used to Know Me (Dopamine VIP remix)

Charli XCX

50541971658702022-04-28

Used to Know Me (Dopamine VIP remix)

Charli XCX

50541971667922022-04-28

Used to Know Me (Yunè Pinku remix)

Charli XCX

50541971737072022-05-20

Used to Know Me (Yunè Pinku remix)

Charli XCX

50541971737142022-05-20

Pop Music 22

Various Artists

5059460136212

In the Stars - Fresh Picks

Various Artists

50594601378202022-06-03

Massive UK Dance Hits

Various Artists

50594601389952022-06-03

Dance Floorfillers

Various Artists

50594601623102023-01-06

New Years Eve Party 2023

Various Artists

5059460164017

Sport School

Various Artists

50594601699682022-12-28

Today’s Party Hits

Various Artists

50594601723402023-01-20

House Music 2023

Various Artists

50594601945192023-04-07

Baby Again Pop Hits

Various Artists

50594601986162023-05-06

Pride 2024

Various Artists

5059460286061

Recordings (11)

Used to Know Me

Charli XCX

GBAHS2101242

On release:CRASH(0190296198205)CRASH(0190296409943)CRASH(0190296409950)CRASH(0190296409967)CRASH(0190296409974)CRASH(0190296409981)CRASH(190296144813)CRASH(190296144820)Used to Know Me(190296162480)Used to Know Me(190296190629)CRASH(190296409158)CRASH(190296409165)CRASH(190296409950)CRASH(190296409998)CRASH(4943674351213)Used to Know Me (Dopamine VIP remix)(5054197166792)Used to Know Me (Yunè Pinku remix)(5054197173707)Pop Music 22(5059460136212)In the Stars - Fresh Picks(5059460137820)Massive UK Dance Hits(5059460138995)

Used to Know Me

Charli XCX

GBAHS2200343

On release:CRASH(190296409141)

Charli XCX

Unknown Artist

Unknown Artist

Unknown Artist

Used to Know Me (8-Bit Charli XCX Emulation)

8-Bit Arcade

AUXN22239868

On release:By Request, Vol. 171(9358782258951)

USED TO KNOW ME (ORIGINALLY PERFORMED BY CHARLI XCX)

Unknown Artist

AUXN22240063

On release:Pristine Karaoke, Vol. 62(9358782012553)

USED TO KNOW ME (8-BIT COMPUTER GAME VERSION)

Unknown Artist

AUXN22239928

Used to Know Me (Dopamine VIP remix)

Charli XCX

GBAHS2200638

On release:Used to Know Me (Dopamine VIP remix)(5054197165870)Used to Know Me (Dopamine VIP remix)(5054197166792)

Used to Know Me (Yunè Pinku remix)

Charli XCX

GBAHS2200675

On release:Used to Know Me (Yunè Pinku remix)(5054197173707)Used to Know Me (Yunè Pinku remix)(5054197173714)

MLC Song Code

UA63IG

Verify on MLC Portal →

SourcesCISACMusicBrainzMLCNotes4 sources

Verified on

CISAC ISWC registry search

Identifier Graph

T-308640958-3

Format

What other identifiers does this connect to?

Verified on

People also ask

What is ISWC T-308640958-3?

T-308640958-3

Format

What other identifiers does this connect to?

Which releases contain this work? (33)

Recordings (11)

Verified on

People also ask

What is ISWC T-308640958-3?

Which releases contain this work? (33)

Recordings (11)