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  1. Home
  2. ISRCs
  3. USLF20100024
I Don’t Know album cover

ISRC

USLF20100024

I Don’t Know

Song: I DON'T KNOW

UsherP. Diddy
matched
Released 2001-01-01

Last verified: July 16, 2026

USLF20100024 is the International Standard Recording Code (ISRC) for the recording “I Don’t Know” by Usher, P. Diddy, released 2001-01-01. 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-072152541-2. Written by DRAYTON GOSS, CHAD HUGO, PHARRELL L WILLIAMS.

Format

USCountry
LF2Registrant
01Year (2001)
00024Designation
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 Don’t Know
ISWCI DON'T KNOW
IPIDRAYTON GOSS

Musical Work (ISWC)

T-072152541-2I DON'T KNOW

People also ask

What is the ISRC for "I Don’t Know" by Usher?+
The ISRC for "I Don’t Know" by Usher, P. Diddy is USLF20100024.
Who wrote "I Don’t Know"?+
"I Don’t Know" was written by DRAYTON GOSS, CHAD HUGO, PHARRELL L WILLIAMS. The ISWC for this composition is T-072152541-2.
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. USLF20100024 is the ISRC for this recording; T-072152541-2 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 USLF20100024?

USLF20100024 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “I Don’t Know” by Usher, P. Diddy. 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-072152541-2, 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?

DRAYTON GOSSComposer
IPI: 00358270547
CHAD HUGOComposer
IPI: 00344055189
PHARRELL L WILLIAMSComposer
IPI: 00243778641

Which contributors are credited?

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

Identifier Graph

ISRCUSLF20100024ISWCT-072152541-2IPIDRAYTON GOSSIPICHAD HUGOIPIPHARRELL L WILL…ISNIPHARRELL L WILL…ISNIChad Hugo

MLC Song Code

I23755
Verify on MLC Portal →
SourcesNotesMusicBrainzMLC via Notes✓3 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
UsherP. Diddy

USLF20100024 is the International Standard Recording Code (ISRC) for the recording “I Don’t Know” by Usher, P. Diddy, released 2001-01-01. 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-072152541-2. Written by DRAYTON GOSS, CHAD HUGO, PHARRELL L WILLIAMS.

Usher, P. Diddy

Related

Other versions of this workView all on iswc.fm

Guilty

Usher, T.I.

USLF21000009
I DON'T KNOWDEM070100449
THESE DAYS. I DON'T KNOWDK2Z21800102
I DON'T CAREFR2X41419353
I DON'T KNOWFR6V82509402

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Songwriter profiles

DRAYTON GOSSIPICHAD HUGOIPIPHARRELL L WILLIAMSIPI