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  1. Home
  2. ISRCs
  3. USUM70603579
Number One album cover

ISRC

USUM70603579

Number One✓2

Song: NUMBER ONE

PharrellKanye West
matched
Released 2006-01-01

Last verified: August 15, 2026

USUM70603579 is the International Standard Recording Code (ISRC) for the recording “Number One” by Pharrell, Kanye West, released 2006-01-01. 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-904701336-5. Written by CURTIS L MAYFIELD, KANYE OMARI WEST, JOHN ROGER STEPHENS, and others.

Format

USCountry
UM7Registrant
06Year (2006)
03579Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2006):
Last two digits of the reference year (2006). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCNumber One
ISWCNUMBER ONE
IPICURTIS L MAYFIELD

Musical Work (ISWC)

T-904701336-5NUMBER ONE

People also ask

What is the ISRC for "Number One" by Pharrell?+
The ISRC for "Number One" by Pharrell, Kanye West is USUM70603579.
Who wrote "Number One"?+
"Number One" was written by CURTIS L MAYFIELD, KANYE OMARI WEST, JOHN ROGER STEPHENS, PHARRELL L WILLIAMS, JOHN ROGER STEPHENS. The ISWC for this composition is T-904701336-5.
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. USUM70603579 is the ISRC for this recording; T-904701336-5 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 USUM70603579?

USUM70603579 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Number One” by Pharrell, Kanye West. 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-904701336-5, 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?

CURTIS L MAYFIELDComposer
IPI: 00020246827
KANYE OMARI WESTComposer
IPI: 00335677734
JOHN ROGER STEPHENSComposer
PHARRELL L WILLIAMSComposer
IPI: 00243778641
JOHN ROGER STEPHENSComposerLyricist
IPI: 00350509581

Which contributors are credited?

0000 0000 6303 7346Curtis Mayfield0000 0000 7840 9210PHARRELL L WILLIAMS0000 0001 1655 7565KANYE OMARI WEST0000 0000 7987 4464John Legend0000 0003 6848 3240John Legend

Identifier Graph

ISRCUSUM70603579ISWCT-904701336-5IPICURTIS L MAYFIE…IPIKANYE OMARI WESTIPIPHARRELL L WILL…IPIJOHN ROGER STEP…ISNICurtis MayfieldISNIPHARRELL L WILL…ISNIKANYE OMARI WEST

MLC Song Code

N1118I
Verify on MLC Portal →
SourcesNotesMusicBrainz✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
PharrellKanye West

USUM70603579 is the International Standard Recording Code (ISRC) for the recording “Number One” by Pharrell, Kanye West, released 2006-01-01. 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-904701336-5. Written by CURTIS L MAYFIELD, KANYE OMARI WEST, JOHN ROGER STEPHENS, and others.

Pharrell, Kanye West

Related

Other versions of this workView all on iswc.fm

NUMBER ONE GIRLJMJ791300018
NUMBERSUSEK71113307
NUMBER ONEUSA2P1325800

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Songwriter profiles

CURTIS L MAYFIELDIPIKANYE OMARI WESTIPIPHARRELL L WILLIAMSIPIJOHN ROGER STEPHENSIPI