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  1. Home
  2. ISRCs
  3. GBZN82100054
Bitter End album cover

ISRC

GBZN82100054

Bitter End✓2

Song: BITTER END

CHVRCHES
matched
Released 2021-10-28

Last verified: July 21, 2026

GBZN82100054 is the International Standard Recording Code (ISRC) for the recording “Bitter End” by CHVRCHES, released 2021-10-28. 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 T3100770767. Written by IAIN ANDREW COOK, LAUREN EVE MAYBERRY, MARTIN DOHERTY.

Format

GBCountry
ZN8Registrant
21Year (2021)
00054Designation
Country:
ISO 3166-1 alpha-2 country code (GB).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2021):
Last two digits of the reference year (2021). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCBitter End
ISWCBITTER END
IPIIAIN ANDREW COOK

Musical Work (ISWC)

T3100770767BITTER END

People also ask

What is the ISRC for "Bitter End" by CHVRCHES?+
The ISRC for "Bitter End" by CHVRCHES is GBZN82100054.
Who wrote "Bitter End"?+
"Bitter End" was written by IAIN ANDREW COOK, LAUREN EVE MAYBERRY, MARTIN DOHERTY. The ISWC for this composition is T3100770767.
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. GBZN82100054 is the ISRC for this recording; T3100770767 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 GBZN82100054?

GBZN82100054 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Bitter End” by CHVRCHES. 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 T3100770767, 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?

IAIN ANDREW COOKComposerLyricist
IPI: 00406549066
UNIVERSAL MUSIC PUBLISHING LIMITED OriginalPublisherIPI: 00282429357
LAUREN EVE MAYBERRYComposerLyricist
IPI: 00621321892
UNIVERSAL MUSIC PUBLISHING LIMITED OriginalPublisherIPI: 00282429357
MARTIN DOHERTYComposerLyricist
IPI: 00678079100
UNIVERSAL MUSIC PUBLISHING LIMITED OriginalPublisherIPI: 00282429357

Who publishes this song?

UNIVERSAL MUSIC PUBLISHING LIMITEDOriginalPublisher
IPI: 00282429357

Which contributors are credited?

0000 0004 6634 4455LAUREN EVE MAYBERRY0000 0004 6634 253XMARTIN DOHERTY

Identifier Graph

ISRCGBZN82100054ISWCT3100770767IPIIAIN ANDREW COOKIPILAUREN EVE MAYB…IPIMARTIN DOHERTYISNILAUREN EVE MAYB…ISNIMARTIN DOHERTY

MLC Song Code

BB3RL9
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
CHVRCHES

GBZN82100054 is the International Standard Recording Code (ISRC) for the recording “Bitter End” by CHVRCHES, released 2021-10-28. 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 T3100770767. Written by IAIN ANDREW COOK, LAUREN EVE MAYBERRY, MARTIN DOHERTY.

CHVRCHES

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Songwriter profiles

IAIN ANDREW COOKIPILAUREN EVE MAYBERRYIPIMARTIN DOHERTYIPI