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  1. Home
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  3. USSM18000003

ISRC

USSM18000003

I Don’t Know✓2

Ozzy Osbourne
matched
Released 1980-01-01

Last verified: July 19, 2026

USSM18000003 is the International Standard Recording Code (ISRC) for the recording “I Don’t Know” by Ozzy Osbourne, released 1980-01-01. 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-900018482-7. Written by JOHN MICHAEL OSBOURNE, RANDY RHOADS, ROBERT DAISLEY.

Format

USCountry
SM1Registrant
80Year (1980)
00003Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (1980):
Last two digits of the reference year (1980). 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
IPIJOHN MICHAEL OSBOURNE

Musical Work (ISWC)

T-900018482-7I Don’t Know

People also ask

What is the ISRC for "I Don’t Know" by Ozzy Osbourne?+
The ISRC for "I Don’t Know" by Ozzy Osbourne is USSM18000003.
Who wrote "I Don’t Know"?+
"I Don’t Know" was written by JOHN MICHAEL OSBOURNE, RANDY RHOADS, ROBERT DAISLEY. The ISWC for this composition is T-900018482-7.
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. USSM18000003 is the ISRC for this recording; T-900018482-7 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 USSM18000003?

USSM18000003 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “I Don’t Know” by Ozzy Osbourne. 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-900018482-7, 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

Who wrote this song?

JOHN MICHAEL OSBOURNEComposerLyricist
IPI: 00059623948
BLIZZARD MUSIC LIMITED OriginalPublisherIPI: 00139221098
UNIVERSAL MUSIC CORP. RightsAdministratorIPI: 00031312147
RANDY RHOADSComposerLyricist
IPI: 00125167590
BLIZZARD MUSIC LIMITED OriginalPublisherIPI: 00139221098
UNIVERSAL MUSIC CORP. RightsAdministratorIPI: 00031312147
ROBERT DAISLEYComposerLyricist
IPI: 00145601691
BLIZZARD MUSIC LIMITED OriginalPublisherIPI: 00139221098
UNIVERSAL MUSIC CORP. RightsAdministratorIPI: 00031312147

Who publishes this song?

BLIZZARD MUSIC LIMITEDOriginalPublisher
IPI: 00139221098
UNIVERSAL MUSIC CORP.RightsAdministrator
IPI: 00031312147

Which contributors are credited?

0000 0001 1576 4634Ozzy Osbourne0000 0003 6859 9630Ozzy Osbourne0000 0000 8138 6822Randy Rhoads0000 0000 7838 7410Bob Daisley

Identifier Graph

ISRCUSSM18000003ISWCT-900018482-7IPIJOHN MICHAEL OS…IPIRANDY RHOADSIPIROBERT DAISLEYISNIOzzy OsbourneISNIOzzy OsbourneISNIRandy Rhoads

MLC Song Code

I09960
Verify on MLC Portal →
SourcesMusicBrainzMLCMLC✓3 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
Listen on Apple Music

Who performed on this recording?

Performers

Ozzy Osbournelead vocals
Randy Rhoadsguitar
Bob Daisleybackground vocals
Bob Daisleybass guitar
Lee Kerslakedrums (drum set)

Production

Ozzy OsbourneProducer
Randy RhoadsProducer
Bob DaisleyProducer
Lee KerslakeProducer
Max NormanEngineer

Label

Sony Music

Appears on

  • See You on the Other Side(2019-01-01)
  • Blizzard of Ozz(2012-01-01)· Epic
  • Blizzard of Ozz / Diary of a Madman 30th Anniversary Box: Randy Years(2011-01-01)· Epic
  • Blizzard of Ozz(2011-01-01)· Epic
  • Blizzard of Ozz(1996-01-01)· Epic (2)
  • Blizzard of Ozz(2020-09-18)
  • The Collection(2014-10-10)
  • Greatest Hits(2009-01-01)

MLC Registration

✗Not registered

MLC has no work registered for this ISRC.

Related

Other versions of this workView all on iswc.fm

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Terroristars

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Songwriter profiles

JOHN MICHAEL OSBOURNEIPIRANDY RHOADSIPIROBERT DAISLEYIPI
Ozzy Osbourne

USSM18000003 is the International Standard Recording Code (ISRC) for the recording “I Don’t Know” by Ozzy Osbourne, released 1980-01-01. 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-900018482-7. Written by JOHN MICHAEL OSBOURNE, RANDY RHOADS, ROBERT DAISLEY.

Ozzy Osbourne