ISWC · Musical Work

T-010121335-7

Impromptu

2 recordings

Last verified: July 6, 2026

The ISWC for “Impromptu” is T-010121335-7. 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 2 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

010121335Work number

7Check 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

ISRC2 recordings

ISWCImpromptu

SourcesMusicBrainzCISAC2 sources

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-010121335-7?

T-010121335-7 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “Impromptu”. 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 2 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-010121335-7

Impromptu

2 recordings

Last verified: July 6, 2026

Format

TPrefix

010121335Work number

7Check 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

ISRC2 recordings

ISWCImpromptu

Which releases contain this work? (23)

Live at Wembley Stadium

Queen

000500873189941992-05-26

Live at Wembley ’86

Queen

00777799594261992-01-01

Live at Wembley ’86

Queen

00777799594191992-01-01

Live at Wembley Stadium

Queen

00720616242228

We Are the Champions: Final Live in Japan

Queen

45173310508342019-01-01

We Are the Champions: Final Live in Japan

Queen

49800536407422004-01-01

Live at Wembley Stadium

Queen

49880068228632008-01-01

Live at Wembley Stadium (25th anniversary edition)

Queen

49880056855512011-01-01

Live at Wembley ’86

Queen

49880066702971992-01-01

Rock Montreal & Live Aid

Queen

50513005009792007-01-01

Live at Wembley Stadium

Queen

6025277957062011-01-01

Live at Wembley Stadium

Queen

7206162422282003-01-01

Queen on Fire: Live at the Bowl

Queen

7206162490982004-01-01

Live at Wembley Stadium

Queen

7206162400952003-01-01

Live at Wembley ’86

Queen

7206161104281992-01-01

Live at Wembley Stadium

Queen

7243591092202003-01-01

Queen on Fire: Live at the Bowl

Queen

7243544190962004-01-01

Live at Wembley Stadium

Queen

7243490471982003-01-01

Live at Wembley Stadium

Queen

7243591095272003-01-01

Live at Wembley Stadium

Queen

8012130600922011-01-01

Rock Montreal & Live Aid

Queen

8012130228922018-01-01

Rock Montreal & Live Aid

Queen

8012133315982007-01-01

Sun City 1984

Queen

8235640329862020-01-01

Recordings (2)

Impromptu

Queen

GBCEE0300041

On release:Live at Wembley Stadium(00050087318994)Live at Wembley Stadium(00720616242228)Live at Wembley ’86(0077779959419)Live at Wembley ’86(0077779959426)Live at Wembley Stadium (25th anniversary edition)(4988005685551)Live at Wembley ’86(4988006670297)Live at Wembley Stadium(4988006822863)Live at Wembley Stadium(602527795706)Live at Wembley ’86(720616110428)Live at Wembley Stadium(720616242228)Live at Wembley Stadium(724359109220)Live at Wembley Stadium(724359109527)

Impromptu

Queen

GBCEE9200020

Who are the artists on this work?

Queen

MLC Song Code

I1637W

Verify on MLC Portal →

SourcesMusicBrainzCISAC2 sources

Verified on

CISAC ISWC registry search

Identifier Graph

T-010121335-7

Format

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People also ask

What is ISWC T-010121335-7?

T-010121335-7

Format

Which releases contain this work? (23)

Recordings (2)

Who are the artists on this work?

Verified on

People also ask

What is ISWC T-010121335-7?

Which releases contain this work? (23)

Recordings (2)

Who are the artists on this work?