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  1. Home
  2. ISRCs
  3. USAR10100628
I'M SERIOUS album cover

ISRC

USAR10100628

I'M SERIOUS

matched

Last verified: August 26, 2026

USAR10100628 is the International Standard Recording Code (ISRC) for the recording “I'M SERIOUS”. 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 T9014740535. Written by PHARRELL L WILLIAMS, CLIFFORD JOSEPH HARRIS, CHAD HUGO.

Format

USCountry
AR1Registrant
01Year (2001)
00628Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2001):
Last two digits of the reference year (2001). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCI'M SERIOUS
ISWCI'M SERIOUS
IPIPHARRELL L WILLIAMS

Musical Work (ISWC)

T9014740535I'M SERIOUS

People also ask

What is the ISRC for "I'M SERIOUS"?+
The ISRC for "I'M SERIOUS" is USAR10100628.
Who wrote "I'M SERIOUS"?+
"I'M SERIOUS" was written by PHARRELL L WILLIAMS, CLIFFORD JOSEPH HARRIS, CHAD HUGO. The ISWC for this composition is T9014740535.
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. USAR10100628 is the ISRC for this recording; T9014740535 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 USAR10100628?

USAR10100628 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “I'M SERIOUS”. 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 T9014740535, 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?

PHARRELL L WILLIAMSComposerLyricist
IPI: 00243778641
WATERS OF NAZARETH OriginalPublisher0.00%IPI: 00192989113
WARNER GEO MET RIC MUSIC RightsAdministrator23.33%IPI: 00820833651
WATERS OF NAZARETH OriginalPublisher0.00%IPI: 00192989113
WARNER GEO MET RIC MUSIC RightsAdministrator23.33%IPI: 00820833651
CLIFFORD JOSEPH HARRISComposerLyricist
IPI: 00345301396
CHAD HUGOComposerLyricist
IPI: 00344055189

Who publishes this song?

WATERS OF NAZARETHOriginalPublisher
IPI: 00192989113
WARNER GEO MET RIC MUSICRightsAdministrator
IPI: 00820833651

Which contributors are credited?

0000 0000 7840 9210PHARRELL L WILLIAMS0000 0001 1442 8137Chad Hugo

Identifier Graph

ISRCUSAR10100628ISWCT9014740535IPIPHARRELL L WILL…IPICLIFFORD JOSEPH…IPICHAD HUGOISNIPHARRELL L WILL…ISNIChad Hugo

MLC Song Code

UA6G9T
Verify on MLC Portal →
SourcesMLCNotesMusicBrainz✓3 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

USAR10100628 is the International Standard Recording Code (ISRC) for the recording “I'M SERIOUS”. 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 T9014740535. Written by PHARRELL L WILLIAMS, CLIFFORD JOSEPH HARRIS, CHAD HUGO.

Related

Other versions of this workView all on iswc.fm

I’m Serious (The Lil Jon remix)

T.I., YoungBloodZ, Pastor Troy

USAR10100627
I'M COLDUSUYG1003069
I’m Made

Pastor Troy

USUR10110366
Why I’m Serious (interlude)

T.I.

USAR10100565
WHY I'M SERIOUS (INTERLUDE)USAR10100615

Songwriter profiles

PHARRELL L WILLIAMSIPICLIFFORD JOSEPH HARRISIPICHAD HUGOIPI