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  1. Home
  2. ISRCs
  3. US25T9914352
I Don't Know album cover

ISRC

US25T9914352

I Don't Know✓2

Song: I Don’t Know

October 31
matched
Released 1999-11-16

Last verified: July 6, 2026

US25T9914352 is the International Standard Recording Code (ISRC) for the recording “I Don't Know” by October 31, released 1999-11-16. 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-900.018.482-7.

Format

USCountry
25TRegistrant
99Year (1999)
14352Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (1999):
Last two digits of the reference year (1999). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCI Don't Know
ISWCI Don’t Know

Musical Work (ISWC)

T-900.018.482-7I Don’t Know

Credits Graph

MLC Song Code

I09960
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

People also ask

What is the ISRC for "I Don't Know" by October 31?+
The ISRC for "I Don't Know" by October 31 is US25T9914352.
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. US25T9914352 is the ISRC for this recording; T-900.018.482-7 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 US25T9914352?

US25T9914352 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “I Don't Know” by October 31. 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-900.018.482-7, 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

October 31

US25T9914352 is the International Standard Recording Code (ISRC) for the recording “I Don't Know” by October 31, released 1999-11-16. 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-900.018.482-7.

October 31

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