ISWC · Musical Work

T-070233057-1

Blue Days, Black Nights

5 recordings

Last verified: September 1, 2026

The ISWC for “Blue Days, Black Nights” is T-070233057-1. 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 5 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

070233057Work 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

ISRC5 recordings

ISWCBlue Days, Black Nights

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00085469927

Creative Contributors (ISNI)

0000 0000 7358 5389

SourcesMusicBrainzNotes CreditsCISAC3 sources

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CISAC ISWC registry search

Identifier Graph

What is ISWC T-070233057-1?

T-070233057-1 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “Blue Days, Black Nights”. 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 5 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-070233057-1

Format

What other identifiers does this connect to?

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What is ISWC T-070233057-1?

T-070233057-1

Format

What other identifiers does this connect to?

Which releases contain this work? (6)

Recordings (5)

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People also ask

What is ISWC T-070233057-1?

Which releases contain this work? (6)

Recordings (5)