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  3. CAL351400100
Mr. Nothing album cover

ISRC

CAL351400100

Mr. Nothing✓2

Song: MR. NOTHIN'

The Guess Who
matched
Released 2005-04-19

Last verified: September 12, 2026

CAL351400100 is the International Standard Recording Code (ISRC) for the recording “Mr. Nothing” by The Guess Who, released 2005-04-19. 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 T0733430528.

Format

CACountry
L35Registrant
14Year (2014)
00100Designation
Country:
ISO 3166-1 alpha-2 country code (CA).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2014):
Last two digits of the reference year (2014). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCMr. Nothing
ISWCMR. NOTHIN'

Musical Work (ISWC)

T0733430528MR. NOTHIN'

Credits Graph

SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record

People also ask

What is the ISRC for "Mr. Nothing" by The Guess Who?+
The ISRC for "Mr. Nothing" by The Guess Who is CAL351400100.
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. CAL351400100 is the ISRC for this recording; T0733430528 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 CAL351400100?

CAL351400100 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Mr. Nothing” by The Guess Who. 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 T0733430528, 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

The Guess Who

CAL351400100 is the International Standard Recording Code (ISRC) for the recording “Mr. Nothing” by The Guess Who, released 2005-04-19. 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 T0733430528.

The Guess Who

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