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  1. Home
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  3. T-917879854-4

ISWC · Musical Work

T-917879854-4

What’s Easy for Two Is So Hard for One

2 recordings

Last verified: July 18, 2026

The ISWC for “What’s Easy for Two Is So Hard for One” is T-917879854-4. 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 2 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix
917879854Work 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

ISRC2 recordings
ISWCWhat’s Easy for Two Is So Hard for One
SourcesMusicBrainzCISACMusicBrainz✓3 sources

Verified on

  • CISAC ISWC registry search

Identifier Graph

ISWCWhat’s Easy for…ISRCUSMO16300467ISRCUSUM70752307

People also ask

What is the ISWC for “What’s Easy for Two Is So Hard for One”?+
The ISWC for “What’s Easy for Two Is So Hard for One” is T-917879854-4. An ISWC (International Standard Musical Work Code) uniquely identifies the underlying musical composition — melody, lyrics, and arrangement — rather than any single recording.
What is ISWC T-917879854-4?+
ISWC T-917879854-4 identifies the musical composition “What’s Easy for Two Is So Hard for One”. ISWCs are defined by ISO 15707 and managed by CISAC to uniquely identify the underlying song — the melody, lyrics, and arrangement.
How many recordings use ISWC T-917879854-4?+
ISWC T-917879854-4 has 2 recordings (ISRCs) associated with it. Each recording is a distinct version — such as the original, a remix, a live performance, or a cover — that shares the same underlying composition.
How is an ISWC different from an ISRC?+
An ISWC identifies a musical work (the underlying composition — melody, lyrics, arrangement). An ISRC identifies a specific sound recording of that work. One ISWC can have many ISRCs — for example, the original recording, a remix, a live version, and a cover would each have their own ISRC but share the same ISWC.

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What is ISWC T-917879854-4?

T-917879854-4 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “What’s Easy for Two Is So Hard for One”. 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

Which releases contain this work? (17)

The Mary Wells Collection

Mary Wells

00600753149065

Finders Keepers: Motown Girls 1961-67

Various Artists

0296670539212013-01-01

The Marvelettes / Sophisticated Soul

The Marvelettes

0501098055251986-01-01

22 Greatest Hits

Mary Wells

0501099058291986-01-01

My Guy: 20 Original Hits

Mary Wells

40176921153211994-01-01

Soul Highway

Various Artists

50184824412231992-01-01

A Tribute to Smokey Robinson

Various Artists

5033107115020

The Best of the Smokey Robinson Songbook

Various Artists

50300730991252000-01-01

My Guy

Mary Wells

50300730311252000-01-01

The Motown Collection

Mary Wells

6007531490652008-01-01

Motown Sings Motown Treasures, Volumes 1 & 2

Various Artists

6024986429792005-01-01

The Complete Motown Singles, Volume 3: 1963

Various Artists

6024988456912005-01-01

Forever More: The Complete Motown Albums, Volume 2

The Marvelettes

6025278409012011-01-01

The Ultimate Collection

Mary Wells

7314530859231998-01-01

Greatest Hits

Mary Wells

7374635233251987-01-01

Los 100 mejores lentos de la historia, Volumen 4

Various Artists

77980829816542001-01-01

Best of Mary Wells

Mary Wells

7798361412242001-01-01

Recordings (2)

1
What’s Easy for Two Is So Hard for One

Mary Wells

USMO16300467
On release:The Mary Wells Collection(00600753149065)The Definitive Collection(602517773356)The Ultimate Collection(731453085923)
2
What’s Easy for Two Is Hard for One

The Marvelettes

USUM70752307

Who are the artists on this work?

Mary WellsThe MarvelettesThe Temptations

MLC Song Code

W14109
Verify on MLC Portal →