ISWC · Musical Work

T-011587323-8

It Don’t Matter

3 recordings

Last verified: September 14, 2026

The ISWC for “It Don’t Matter” is T-011587323-8. 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 3 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

011587323Work number

8Check 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

ISRC3 recordings

ISWCIt Don’t Matter

SourcesCISACMLCMusicBrainz3 sources

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-011587323-8?

T-011587323-8 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “It Don’t Matter”. 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 3 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-011587323-8

It Don’t Matter

3 recordings

Last verified: September 14, 2026

Format

TPrefix

011587323Work number

8Check 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

ISRC3 recordings

ISWCIt Don’t Matter

Recordings (3)

It Don’t Matter

Def Leppard

GBF088000794

On release:On Through the Night(042282253323)Def Leppard 4(042283863620)On Through the Night(4988005509536)On Through the Night(4988011310669)Def Leppard 4(4988011326127)CD Collection, Volume One(4988031268292)The Early Years 79–81(4988031370476)On Through the Night(4988031597521)On Through the Night(602508263903)The Collection: Volume One(602557773583)On Through the Night(602567157519)On Through the Night(602567157526)The Early Years 79–81(602567314080)The Early Years 79–81(602567314158)On Through the Night(602577793257)

It Don’t Matter

Def Leppard

GBUM71801981

On release:When the Walls Came Tumbling Down (New Theatre, Oxford – 26 April 1980)(0602435301716)The Early Years 79–81(4988031370476)When the Walls Came Tumbling Down: Live in Oxford(602508263927)The Early Years 79–81(602567314080)The Early Years 79–81(602567314158)

It Don’t Matter

Def Leppard

GBUM71802095

On release:On Through the Night(042282253323)Def Leppard 4(042283863620)On Through the Night(4988005509536)On Through the Night(4988011310669)Def Leppard 4(4988011326127)CD Collection, Volume One(4988031268292)The Early Years 79–81(4988031370476)On Through the Night(4988031597521)On Through the Night(602508263903)On Through the Night(602567157519)On Through the Night(602567157526)The Early Years 79–81(602567314080)The Early Years 79–81(602567314158)On Through the Night(602577793257)

MLC Song Code

I82581

Verify on MLC Portal →

SourcesCISACMLCMusicBrainz3 sources

Verified on

CISAC ISWC registry search

Identifier Graph

T-011587323-8

Format

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People also ask

What is ISWC T-011587323-8?

T-011587323-8

Format

Recordings (3)

Verified on

People also ask

What is ISWC T-011587323-8?

Recordings (3)