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  1. Home
  2. ISWCs
  3. T-904731634-7

ISWC · Musical Work

T-904731634-7

WHAT HAPPENED?

7 recordings

Last verified: February 15, 2026

T-904731634-7 is the International Standard Musical Work Code (ISWC) for the musical composition "WHAT HAPPENED?". 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 7 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix
904731634Work 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

ISRC7 recordings
ISWCWHAT HAPPENED?
SourcesCISAC

Verified on

  • CISAC ISWC registry search

Identifier Graph

ISWCWHAT HAPPENED?ISRCDEZ651606100ISRCDEZ651606101ISRCDEZ651700793ISRCQMAT31504643ISRCQMDA71596910

People also ask

What is ISWC T-904731634-7?+
ISWC T-904731634-7 identifies the musical composition "WHAT HAPPENED?". 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-904731634-7?+
ISWC T-904731634-7 has 7 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-904731634-7?

T-904731634-7 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition "WHAT HAPPENED?". 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 7 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? (2)

Rexology

Steve Bug

40504869728782016-10-14

Time Flies 2 (The Best of Steve Bug 2009 – 2019)

Steve Bug

42503824420972020-08-28

Recordings (7)

1
WHAT HAPPENED?

Unknown Artist

QMREU1893261
2
WHAT HAPPENED?

Unknown Artist

USA560923049
3
HAPPENED

Unknown Artist

QMAT31504643
4
WHAT'S HAPPENED?

Unknown Artist

DEZ651700793
5
What’s Happened?

Steve Bug

DEZ651606100
On release:Rexology(4050486972878)Time Flies 2 (The Best of Steve Bug 2009 – 2019)(4250382442097)
6
WHATS HAPPENING

Unknown Artist

QMDA71596910
7
What’s Happened? (Rod remix)

Steve Bug

DEZ651606101
On release:Rexology(4050486972878)

MLC Song Code

W2156G
Verify on MLC Portal →