ISWC · Musical Work

T-900859471-6

Ancestors

3 recordings

Last verified: August 16, 2026

The ISWC for “Ancestors” is T-900859471-6. 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 3 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

900859471Work number

6Check 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

ISRC3 recordings

ISWCAncestors

Previously known as

T-010696049-9T-920296250-3

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00284222376 00256617158 00055405100

Creative Contributors (ISNI)

0000 0001 1001 3823

SourcesCISACNotes CreditsMusicBrainz3 sources

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-900859471-6?

T-900859471-6 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “Ancestors”. 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 3 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-900859471-6

Ancestors

3 recordings

Last verified: August 16, 2026

Format

TPrefix

900859471Work number

6Check 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

ISRC3 recordings

ISWCAncestors

Previously known as

T-010696049-9T-920296250-3

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00284222376 00256617158 00055405100

Creative Contributors (ISNI)

0000 0001 1001 3823

Which releases contain this work? (14)

Medúlla

Björk

0755962984212004-01-01

Medúlla

Björk

0755962985202004-01-01

Medúlla

Björk

0812273327232006-01-01

Medúlla

Björk

21804468867392004-01-01

Medúlla

Björk

46050260038422004-01-01

Medúlla

Björk

49880053682252004-01-01

Medúlla

Björk

49880053717202004-01-01

Medúlla

Björk

49880055072352008-01-01

Medúlla

Björk

50169580609162021-01-01

Medúlla

Björk

50169580609232004-01-01

Medúlla

Björk

50169580612032004-01-01

Medúlla

Björk

50169580731072006-01-01

Medúlla

Björk

50169580890612019-01-01

Medúlla

Björk

50169580969152008-01-01

Recordings (3)

Ancestors

Björk

GBBTF0400292

On release:Medúlla(075596298421)Medúlla(075596298520)Medúlla(081227332723)Medúlla(2180446886739)Medúlla(4605026003842)Medúlla(4988005368225)Medúlla(4988005371720)(____surrounded):(4988005436849)Medúlla(4988005507235)Medúlla(5016958060916)Medúlla(5016958060923)Medúlla(5016958061203)(____surrounded):(5016958072506)Medúlla(5016958073107)Medúlla(5016958089061)Medúlla(5016958096915)Medúlla(602498675892)Medúlla(602498675908)Medúlla(602498675915)Medúlla(602547516893)

Unknown Artist

Unknown Artist

MLC Song Code

A2706D

Verify on MLC Portal →

SourcesCISACNotes CreditsMusicBrainz3 sources

Verified on

CISAC ISWC registry search

Identifier Graph

T-900859471-6

Format

Previously known as

What other identifiers does this connect to?

Verified on

People also ask

What is ISWC T-900859471-6?

T-900859471-6

Format

Previously known as

What other identifiers does this connect to?

Which releases contain this work? (14)

Recordings (3)

Verified on

People also ask

What is ISWC T-900859471-6?

Which releases contain this work? (14)

Recordings (3)