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  3. GBUM70703398

ISRC

GBUM70703398

The Optimist

Sandy Denny
matched
Released 1997-05-01

Last verified: July 17, 2026

GBUM70703398 is the International Standard Recording Code (ISRC) for the recording “The Optimist” by Sandy Denny, released 1997-05-01. 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-010.447.770-4.

Format

GBCountry
UM7Registrant
07Year (2007)
03398Designation
Country:
ISO 3166-1 alpha-2 country code (GB).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2007):
Last two digits of the reference year (2007). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCThe Optimist
ISWCThe Optimist

Musical Work (ISWC)

T-010.447.770-4The Optimist

Credits Graph

SourcesMusicBrainz

Verified on

  • MusicBrainz recording record

People also ask

What is the ISRC for "The Optimist" by Sandy Denny?+
The ISRC for "The Optimist" by Sandy Denny is GBUM70703398.
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. GBUM70703398 is the ISRC for this recording; T-010.447.770-4 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 GBUM70703398?

GBUM70703398 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “The Optimist” by Sandy Denny. 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-010.447.770-4, 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

Related

Other versions of this workView all on iswc.fm

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GBUM70703398 is the International Standard Recording Code (ISRC) for the recording “The Optimist” by Sandy Denny, released 1997-05-01. 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-010.447.770-4.

Sandy Denny