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  1. Home
  2. ISRCs
  3. USAR10300900
IT WASN'T US (RADIO MIX) album cover

ISRC

USAR10300900

IT WASN'T US (RADIO MIX)✓2

Song: IT WASN'T US

THE NEPTUNES
matched

Last verified: September 1, 2026

USAR10300900 is the International Standard Recording Code (ISRC) for the recording “IT WASN'T US (RADIO MIX)” by THE NEPTUNES. 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 T9046757691. Written by CHRISTOPHER BRIAN BRIDGES, PHARRELL L WILLIAMS, BOBBY WARDELL JR SANDIMANIE, and others.

Format

USCountry
AR1Registrant
03Year (2003)
00900Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2003):
Last two digits of the reference year (2003). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCIT WASN'T US (RADIO MIX)
ISWCIT WASN'T US
IPICHRISTOPHER BRIAN BRIDGES

Musical Work (ISWC)

T9046757691IT WASN'T US

People also ask

What is the ISRC for "IT WASN'T US (RADIO MIX)" by THE NEPTUNES?+
The ISRC for "IT WASN'T US (RADIO MIX)" by THE NEPTUNES is USAR10300900.
Who wrote "IT WASN'T US (RADIO MIX)"?+
"IT WASN'T US (RADIO MIX)" was written by CHRISTOPHER BRIAN BRIDGES, PHARRELL L WILLIAMS, BOBBY WARDELL JR SANDIMANIE, CHAD HUGO. The ISWC for this composition is T9046757691.
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. USAR10300900 is the ISRC for this recording; T9046757691 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 USAR10300900?

USAR10300900 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “IT WASN'T US (RADIO MIX)” by THE NEPTUNES. 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 T9046757691, 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?

32.5%
CHRISTOPHER BRIAN BRIDGESComposerLyricist
IPI: 00342892154
PHARRELL L WILLIAMSComposerLyricist7.5%
IPI: 00243778641
EMI BLACKWOOD MUSIC INC OriginalPublisherIPI: 00223437493
BOBBY WARDELL JR SANDIMANIEComposerLyricist
IPI: 00444176557
CHAD HUGOComposerLyricist25%
IPI: 00344055189
UNIVERSAL MUSIC-CAREERS OriginalPublisherIPI: 00539732230

Who publishes this song?

EMI BLACKWOOD MUSIC INCOriginalPublisher
IPI: 00223437493
UNIVERSAL MUSIC-CAREERSOriginalPublisher
IPI: 00539732230

Which contributors are credited?

0000 0000 7840 9210PHARRELL L WILLIAMS0000 0001 1494 6663Ludacris0000 0003 6859 4645Ludacris0000 0003 7466 9818Ludacris0000 0001 1442 8137Chad Hugo

Identifier Graph

ISRCUSAR10300900ISWCT9046757691IPICHRISTOPHER BRI…IPIPHARRELL L WILL…IPIBOBBY WARDELL J…IPICHAD HUGOISNIPHARRELL L WILL…ISNILudacrisISNILudacris

MLC Song Code

I5918Z
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
THE NEPTUNES

USAR10300900 is the International Standard Recording Code (ISRC) for the recording “IT WASN'T US (RADIO MIX)” by THE NEPTUNES. 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 T9046757691. Written by CHRISTOPHER BRIAN BRIDGES, PHARRELL L WILLIAMS, BOBBY WARDELL JR SANDIMANIE, and others.

THE NEPTUNES

Related

Other versions of this workView all on iswc.fm

IT WASN T US

LUDACRIS

USAR10300885
IT WASN'T USUSCJE0610671

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Songwriter profiles

CHRISTOPHER BRIAN BRIDGESIPIPHARRELL L WILLIAMSIPIBOBBY WARDELL JR SANDIMANIEIPICHAD HUGOIPI