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  1. Home
  2. ISWCs
  3. T-904817537-7

ISWC · Musical Work

T-904817537-7

WTF?

4 recordings

Last verified: August 16, 2026

T-904817537-7 is the International Standard Musical Work Code (ISWC) for the musical composition "WTF?". 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 4 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix
904817537Work number
7Check 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

ISRC4 recordings
ISWCWTF?
SourcesMusicBrainzCISACMusicBrainz✓3 sources

Verified on

  • CISAC ISWC registry search

Identifier Graph

ISWCWTF?ISRCUSCA20905235ISRCUSR3B1000004ISRCQMBZ91739521ISRCUSR3B1100015

People also ask

What is ISWC T-904817537-7?+
ISWC T-904817537-7 identifies the musical composition "WTF?". 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-904817537-7?+
ISWC T-904817537-7 has 4 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-904817537-7?

T-904817537-7 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition "WTF?". 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 4 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? (9)

Of the Blue Colour of the Sky

OK Go

0946382437242010-01-01

Of the Blue Colour of the Sky

OK Go

50518089101262010-10-18

Of the Blue Colour of the Sky

OK Go

50999626600202010-01-01

Of the Blue Colour of the Sky

OK Go

7669299503202010-01-01

Of the Blue Colour of the Sky (Extra Nice Edition)

OK Go

7669299572202010-01-01

180/365

OK Go

7669299821232011-01-01

Of the Blue Colour of the Sky Extra Nice Edition

OK Go

8256467785602010-10-15

Of the Blue Colour of the Sky

OK Go

8849776451872010-01-12

180/365

OK Go

8864430376702011-06-21

Recordings (4)

1
WTF?

OK Go

USCA20905235
2
WTF?

Unknown Artist

QMBZ91739521
3
WTF?

OK Go

USR3B1100015
4
WTF? (OFFICIAL MUSIC VIDEO)

Unknown Artist

USR3B1000004

Who are the artists on this work?

OK Go

MLC Song Code

W4295G
Verify on MLC Portal →