ISWC · Musical Work

T-071981116-1

THE WORST DAY EVER

24 recordings

Last verified: September 6, 2026

The ISWC for “THE WORST DAY EVER” is T-071981116-1. 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 24 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

071981116Work number

1Check 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

ISRC24 recordings

ISWCTHE WORST DAY EVER

Previously known as

T-040105691-4

SourcesCISACMLCMusicBrainz3 sources

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-071981116-1?

T-071981116-1 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “THE WORST DAY EVER”. 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 24 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.

T-071981116-1

Format

Previously known as

Verified on

People also ask

What is ISWC T-071981116-1?

T-071981116-1

Format

Previously known as

Which releases contain this work? (7)

Recordings (24)

Verified on

People also ask

What is ISWC T-071981116-1?

Which releases contain this work? (7)

Recordings (24)