ISWC · Musical Work

T-070077226-4

The Hardest Part

3 recordings

Last verified: February 15, 2026

The ISWC for “The Hardest Part” is T-070077226-4. 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

070077226Work number

4Check 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

ISWCThe Hardest Part

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00037968830 00038772260

Creative Contributors (ISNI)

0000 0000 7828 1640 0000 0001 1850 7182

SourcesMusicBrainzMusicBrainzCISAC3 sources

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-070077226-4?

T-070077226-4 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “The Hardest Part”. 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-070077226-4

The Hardest Part

3 recordings

Last verified: February 15, 2026

Format

TPrefix

070077226Work number

4Check 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

ISWCThe Hardest Part

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00037968830 00038772260

Creative Contributors (ISNI)

0000 0000 7828 1640 0000 0001 1850 7182

Which releases contain this work? (22)

The Platinum Collection

Blondie

000946376558562006-10-10

Greatest Hits

Blondie

007243542068562002-09-19

Eat to the Beat

Blondie

00946321225201987-01-01

The Best of Blondie

Blondie

0113015384201998-01-01

Eat to the Beat

Blondie

044114122524

I Love Rock & Roll, Volume Four: Hits of the 80’s

Various Artists

0499250953261996-01-01

Eat to the Beat

Blondie

07243533597202001-09-10

Eat to the Beat

Blondie

0755851225151979-01-01

Eat to the Beat

Blondie

0946321225201989-01-01

Greatest Hits: Sight & Sound

Blondie

0946345054202006-01-01

Blondie

0960091308241998-01-01

Nova 1956-1980 : les racines de Nova

Various Artists

35969712869272007-01-01

Eat to the Beat

Blondie

49880066657431991-01-01

Eat to the Beat

Blondie

50131361225271987-01-01

Collection

Blondie

50999207979282010-01-01

10 Great Songs

Blondie

5099930917422

10 Great Songs

Blondie

50999309450292009-01-01

Against the Odds: 1974–1982

Blondie

6007539411712022-01-01

Greatest Hits

Blondie

60095093038452002-01-01

Against the Odds: 1974–1982

Blondie

6024358796422022-01-01

Against the Odds: 1974–1982

Blondie

6025087609692022-01-01

Against the Odds 1974–1982

Blondie

6025087610102022-01-01

Recordings (3)

THE HARDEST PART

BLONDIE

USCH38700027

On release:The Platinum Collection(00094637655856)Greatest Hits(00724354206856)Eat to the Beat(0094632122520)The Best of Blondie(011301538420)Eat to the Beat(044114122524)I Love Rock & Roll, Volume Four: Hits of the 80’s(049925095326)Eat to the Beat(0724353359720)Eat to the Beat(075585122515)Eat to the Beat(094632122520)Greatest Hits: Sight & Sound(094634505420)Blondie(096009130824)Nova 1956-1980 : les racines de Nova(3596971286927)Eat to the Beat(4988006665743)Eat to the Beat(5013136122527)Collection(5099920797928)10 Great Songs(5099930917422)10 Great Songs(5099930945029)Greatest Hits(6009509303845)Against the Odds: 1974–1982(602435879642)Against the Odds: 1974–1982(602508760969)

THE HARDEST PART (2001 DIGITAL REMASTER)

BLONDIE

USCH30100061

THE HARDEST PART (HOME TAPE)

BLONDIE

USUM72100727

On release:Against the Odds: 1974–1982(600753941171)Against the Odds: 1974–1982(602435879642)Against the Odds: 1974–1982(602508760969)Against the Odds 1974–1982(602508761010)

Who are the artists on this work?

Blondie

MLC Song Code

H36061

Verify on MLC Portal →

SourcesMusicBrainzMusicBrainzCISAC3 sources

Verified on

CISAC ISWC registry search

Identifier Graph

T-070077226-4

Format

What other identifiers does this connect to?

Verified on

People also ask

What is ISWC T-070077226-4?

T-070077226-4

Format

What other identifiers does this connect to?

Which releases contain this work? (22)

Recordings (3)

Who are the artists on this work?

Verified on

People also ask

What is ISWC T-070077226-4?

Which releases contain this work? (22)

Recordings (3)

Who are the artists on this work?