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  3. GBBTF0300181
Undo album cover

ISRC

GBBTF0300181

Undo✓2

Björk
matched
Released 2003-01-01

Last verified: September 22, 2026

GBBTF0300181 is the International Standard Recording Code (ISRC) for the recording “Undo” by Björk, released 2003-01-01. ISRCs are 12-character ISO 3901 identifiers that uniquely tag a specific sound recording — different masters, remixes, and live versions each receive a distinct ISRC. The underlying musical work is ISWC T-000384016-1. Written by BJORK GUDMUNDSDOTTIR, THOMAS KNAK.

Format

GBCountry
BTFRegistrant
03Year (2003)
00181Designation
Country:
ISO 3166-1 alpha-2 country code (GB).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2003):
Last two digits of the reference year (2003). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCUndo
ISWCUndo
IPIBJORK GUDMUNDSDOTTIR

Musical Work (ISWC)

T-000384016-1Undo

People also ask

What is the ISRC for "Undo" by Björk?+
The ISRC for "Undo" by Björk is GBBTF0300181.
Who wrote "Undo"?+
"Undo" was written by BJORK GUDMUNDSDOTTIR, THOMAS KNAK. The ISWC for this composition is T-000384016-1.
What is an ISRC and what does it tell you?+
An ISRC (International Standard Recording Code) is a 12-character ISO 3901 identifier that uniquely tags a specific sound recording. The first two characters are the country code, the next three are the registrant (label or distributor), the next two are the year, and the last five are a unique recording number.
Is the ISRC the same as the ISWC?+
No. The ISRC identifies a specific recording, while the ISWC identifies the underlying musical composition. GBBTF0300181 is the ISRC for this recording; T-000384016-1 is the ISWC for the composition it is a recording of. One composition (ISWC) can have many recordings (ISRCs) — originals, remixes, live versions, and covers each get their own ISRC but share the same ISWC.

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What is ISRC GBBTF0300181?

GBBTF0300181 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Undo” by Björk. ISRCs are 12-character alphanumeric codes defined by ISO 3901, used globally by streaming platforms, record labels, and rights organizations to track plays and distribute royalties.

This recording is linked to the musical work T-000384016-1, which represents the underlying composition. Multiple recordings can share the same musical work — for example, an original version, a remix, and a cover would each have their own ISRC but reference the same ISWC.

Learn more about ISRCs · Powered by Notes.fm

Who wrote this song?

BJORK GUDMUNDSDOTTIRComposerLyricist
IPI: 00055405100
JORA EHF OriginalPublisher0.00%IPI: 00379724804
KOBALT MUSIC PUB AMERICA INC SubPublisher50.00%IPI: 00503659557
THOMAS KNAKComposerLyricist
IPI: 00255037872
JORA EHF OriginalPublisher0.00%IPI: 00379724804
KOBALT MUSIC PUB AMERICA INC SubPublisher50.00%IPI: 00503659557

Who publishes this song?

JORA EHFOriginalPublisher
IPI: 00379724804
KOBALT MUSIC PUB AMERICA INCSubPublisher
IPI: 00503659557

Which contributors are credited?

0000 0001 1001 3823Björk

Identifier Graph

ISRCGBBTF0300181ISWCT-000384016-1IPIBJORK GUDMUNDSD…IPITHOMAS KNAKISNIBjörk

MLC Song Code

U06698
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
Björk

GBBTF0300181 is the International Standard Recording Code (ISRC) for the recording “Undo” by Björk, released 2003-01-01. ISRCs are 12-character ISO 3901 identifiers that uniquely tag a specific sound recording — different masters, remixes, and live versions each receive a distinct ISRC. The underlying musical work is ISWC T-000384016-1. Written by BJORK GUDMUNDSDOTTIR, THOMAS KNAK.

Björk

Related

Other versions of this workView all on iswc.fm

Undo

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USEE10100733
Undo

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GBBTF1600106
UNDOGBBTF1600027

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Songwriter profiles

BJORK GUDMUNDSDOTTIRIPITHOMAS KNAKIPI