ISWC · Musical Work

T-070904918-2

I WONDER WHY

202 recordings

Last verified: September 17, 2026

The ISWC for “I WONDER WHY” is T-070904918-2. 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 202 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

070904918Work number

2Check 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

ISRC202 recordings

ISWCI WONDER WHY

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00223437493 00197281632 00539732230 00197282139 00338164558 00419848323 00032625113 00193453652 00062351303 00066126779

+11 more

SourcesCISACMLCMusicBrainzNotes Credits4 sources

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CISAC ISWC registry search

Identifier Graph

What is ISWC T-070904918-2?

T-070904918-2 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “I WONDER WHY”. 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 202 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-070904918-2

I WONDER WHY

202 recordings

Last verified: September 17, 2026

Format

TPrefix

070904918Work number

2Check 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

ISRC202 recordings

ISWCI WONDER WHY

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00223437493 00197281632 00539732230 00197282139 00338164558 00419848323 00032625113 00193453652 00062351303 00066126779

+11 more

Which releases contain this work? (11)

Australian Pop

Various Artists

50594600394382020-09-04

Mystery to Me

Fleetwood Mac

0759925982242018-01-01

Original Album Series

Fleetwood Mac

0812279719392012-01-01

Selections From 25 Years: The Chain

Fleetwood Mac

0936245188221998-01-01

The Chain (Selections From 25 Years)

Fleetwood Mac

0936245550251992-01-01

Mystery to Me

Fleetwood Mac

49436741212122013-01-01

Mystery to Me

Fleetwood Mac

49880147340591990-01-01

Greatest, Vol.1

Showaddywaddy

5032698666225

Fleetwood Mac: 1969 to 1974

Fleetwood Mac

6034978513002020-01-01

Mystery to Me

Fleetwood Mac

6034978698932017-03-28

Mystery to Me

Fleetwood Mac

6034978724282017-03-28

Recordings (202)

I Wonder Why

Jungstötter

DEG441890882

On release:Love Is(5400863003142)Love Is(5400863003159)Love Is(5400863003319)

I Wonder Why

Showaddywaddy

GBBLG7800194

On release:Greatest, Vol.1(5032698666225)Gold(654378062827)

I Wonder Why

Showaddywaddy

GBBPJ9800698

On release:NOW 100 Hits: Forgotten 70s(0194397059625)Let’s Have a Party! CD 3(4006408229032)The Very Best of Showaddywaddy(654378020025)

T-070904918-2

Format

What other identifiers does this connect to?

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What is ISWC T-070904918-2?

T-070904918-2

Format

What other identifiers does this connect to?

Which releases contain this work? (11)

Recordings (202)

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People also ask

What is ISWC T-070904918-2?

Which releases contain this work? (11)

Recordings (202)