ISWC · Musical Work

T-917439756-9

When I Needed You

2 recordings

Last verified: September 10, 2026

The ISWC for “When I Needed You” is T-917439756-9. 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

917439756Work number

9Check 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

ISWCWhen I Needed You

SourcesMusicBrainz

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-917439756-9?

T-917439756-9 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “When I Needed You”. 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-917439756-9

When I Needed You

2 recordings

Last verified: September 10, 2026

Format

TPrefix

917439756Work number

9Check 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

ISWCWhen I Needed You

Which releases contain this work? (41)

E•MO•TION

Carly Rae Jepsen

00602435098425

E•MO•TION

Carly Rae Jepsen

00602435064314

E•MO•TION

Carly Rae Jepsen

00602478881381

E•MO•TION

Carly Rae Jepsen

00602478820656

E•MO•TION

Carly Rae Jepsen

00602478591754

E•MO•TION

Carly Rae Jepsen

00602547455154

E•MO•TION

Carly Rae Jepsen

00602547455093

E•MO•TION

Carly Rae Jepsen

006025474614142015-09-25

E•MO•TION

Carly Rae Jepsen

006025474616122015-09-25

E•MO•TION

Carly Rae Jepsen

00602547976666

E•MO•TION

Carly Rae Jepsen

006025474551852025-06-12

E•MO•TION

Carly Rae Jepsen

006025474246482015-06-24

E•MO•TION

Carly Rae Jepsen

006025474182652015-06-24

E•MO•TION

Carly Rae Jepsen

006025474615822015-09-25

E•MO•TION

Carly Rae Jepsen

006025474614452015-09-25

E•MO•TION

Carly Rae Jepsen

00602547455109

E•MO•TION

Carly Rae Jepsen

006025474615992015-09-25

E•MO•TION

Carly Rae Jepsen

49880058931922015-01-01

E•MO•TION

Carly Rae Jepsen

49880058932082015-01-01

E•MO•TION

Carly Rae Jepsen

49880313970532020-01-01

E•MO•TION

Carly Rae Jepsen

6024783465212025-01-01

E•MO•TION

Carly Rae Jepsen

6024783465072025-01-01

E•MO•TION

Carly Rae Jepsen

6024350783972020-01-01

E•MO•TION

Carly Rae Jepsen

6024350784272020-01-01

E•MO•TION

Carly Rae Jepsen

6024783465142025-01-01

E•MO•TION

Carly Rae Jepsen

6025474972532015-01-01

E•MO•TION

Carly Rae Jepsen

6025475240102025-01-01

E•MO•TION

Carly Rae Jepsen

6025473853142015-01-01

E•MO•TION

Carly Rae Jepsen

6025473972632015-01-01

E•MO•TION

Carly Rae Jepsen

6025473272532015-01-01

E•MO•TION

Carly Rae Jepsen

6025473971712015-01-01

E•MO•TION

Carly Rae Jepsen

6025474198352015-01-01

E•MO•TION

Carly Rae Jepsen

8253961242972020-08-21

E•MO•TION

Carly Rae Jepsen

8253960848292015-08-21

E•MO•TION

Carly Rae Jepsen

8253960847202015-01-01

E•MO•TION

Carly Rae Jepsen

8253961474872025-10-17

E•MO•TION

Carly Rae Jepsen

8253960820232015-01-01

E•MO•TION

Carly Rae Jepsen

8253961243722024-01-01

E•MO•TION

Carly Rae Jepsen

8253960809202015-08-21

E•MO•TION

Carly Rae Jepsen

8253961243892023-11-24

E•MO•TION

Carly Rae Jepsen

97878832598862015-08-21

Recordings (2)

When I Needed You

Carly Rae Jepsen

USUM72506351

On release:E•MO•TION(00602478591754)

When I Needed You

Carly Rae Jepsen

USUM71507034

On release:E•MO•TION(00602435064314)E•MO•TION(00602435098425)E•MO•TION(00602478820656)E•MO•TION(00602478881381)E•MO•TION(00602547418265)E•MO•TION(00602547424648)E•MO•TION(00602547455093)E•MO•TION(00602547455109)E•MO•TION(00602547455154)E•MO•TION(00602547455185)E•MO•TION(00602547461414)E•MO•TION(00602547461445)E•MO•TION(00602547461582)E•MO•TION(00602547461599)E•MO•TION(00602547461612)E•MO•TION(00602547976666)

Who are the artists on this work?

Carly Rae Jepsen Good Looking Friends

MLC Song Code

WV7PKL

Verify on MLC Portal →

SourcesMusicBrainz

Verified on

CISAC ISWC registry search

Identifier Graph

T-917439756-9

Format

Verified on

People also ask

What is ISWC T-917439756-9?

T-917439756-9

Format

Which releases contain this work? (41)

Recordings (2)

Who are the artists on this work?

Verified on

People also ask

What is ISWC T-917439756-9?

Which releases contain this work? (41)

Recordings (2)

Who are the artists on this work?