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  1. Home
  2. ISRCs
  3. USRC12502342
I'M NOT SURE album cover

I'M NOT SURE✓2

ISRC

USRC12502342
TEMS
matched
Released 2025-11-21

Last verified: October 14, 2026

One ISRC for “I'M NOT SURE” by TEMS is USRC12502342. 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. Released 2025-11-21. The underlying musical work is ISWC T-339008662-7. Written by LEON G III THOMAS, ROB BISEL, TEMILADE OPENIYI, and others.

Format

USCountry
RC1Registrant
25Year (2025)
02342Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2025):
Last two digits of the reference year (2025). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCI'M NOT SURE
ISWCI'M NOT SURE
IPILEON G III THOMAS

Musical Work (ISWC)

T-339008662-7I'M NOT SURE

People also ask

What is one ISRC for “I'M NOT SURE” by TEMS?+
One ISRC for “I'M NOT SURE” by TEMS is USRC12502342.
What is the ISWC for “I'M NOT SURE”?+
The ISWC for “I'M NOT SURE” is T-339008662-7. The ISRC USRC12502342 identifies this specific recording; the ISWC identifies the underlying musical work shared by all versions.
Who wrote “I'M NOT SURE”?+
“I'M NOT SURE” was written by LEON G III THOMAS, ROB BISEL, TEMILADE OPENIYI, JONAH LEON CHRISTIAN. The ISWC for this composition is T-339008662-7.
Who publishes “I'M NOT SURE”?+
The publishers credited on “I'M NOT SURE” include: SONY/ATV SONGS LLC, BISEL CREATIVE SOUND, SM PUBLISHING UK LIMITED, THESE ARE PULSE SONGS, CONCORD MUSIC GROUP, INC. DBA CONCORD COPYRIGHTS, JONAH CHRISTIAN MUSIC. These publishers administer the writers' shares in this recording's underlying composition. Credits.fm reports registered publisher credits, not legal copyright ownership.
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. USRC12502342 is the ISRC for this recording; T-339008662-7 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 USRC12502342?

USRC12502342 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “I'M NOT SURE” by TEMS. 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-339008662-7, 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

TEMS

One ISRC for “I'M NOT SURE” by TEMS is USRC12502342. 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. Released 2025-11-21. The underlying musical work is ISWC T-339008662-7. Written by LEON G III THOMAS, ROB BISEL, TEMILADE OPENIYI, and others.

TEMS

Who wrote this song?

LEON G III THOMASComposerLyricist
IPI: 00657868188
ROB BISELComposerLyricist
SONY/ATV SONGS LLC OriginalPublisher10.00%IPI: 00187062752
BISEL CREATIVE SOUND OriginalPublisher0.00%IPI: 01174115480
SONY/ATV SONGS LLC RightsAdministrator10.00%IPI: 00187062752
TEMILADE OPENIYIComposerLyricist
SM PUBLISHING UK LIMITED OriginalPublisher0.00%IPI: 00584082436
SONY/ATV SONGS LLC SubPublisher50.00%IPI: 00187062752
JONAH LEON CHRISTIANComposerLyricist
IPI: 01060400422
THESE ARE PULSE SONGS OriginalPublisher0.00%IPI: 00739600727
CONCORD MUSIC GROUP, INC. DBA CONCORD COPYRIGHTS RightsAdministrator10.00%IPI: 00871669397
JONAH CHRISTIAN MUSIC OriginalPublisher0.00%IPI: 01063899912
CONCORD MUSIC GROUP, INC. DBA CONCORD COPYRIGHTS RightsAdministrator10.00%IPI: 00871669397

Who publishes this song?

SONY/ATV SONGS LLCOriginalPublisher
IPI: 00187062752
BISEL CREATIVE SOUNDOriginalPublisher
IPI: 01174115480
SM PUBLISHING UK LIMITEDOriginalPublisher
IPI: 00584082436
THESE ARE PULSE SONGSOriginalPublisher
IPI: 00739600727
CONCORD MUSIC GROUP, INC. DBA CONCORD COPYRIGHTSRightsAdministrator
IPI: 00871669397
JONAH CHRISTIAN MUSICOriginalPublisher
IPI: 01063899912

Which contributors are credited?

0000 0000 5124 1577Leon Thomas

Identifier Graph

ISRCUSRC12502342ISWCT-339008662-7IPILEON G III THOM…IPIJONAH LEON CHRI…ISNILeon Thomas

MLC Song Code

IY5P5R
Verify on MLC Portal →
SourcesNotes CreditsMusicBrainz✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

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