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  1. Home
  2. ISRCs
  3. USCGJ2335559
SLEEP LONG album cover

ISRC

USCGJ2335559

SLEEP LONG

matched

Last verified: July 30, 2026

USCGJ2335559 is the International Standard Recording Code (ISRC) for the recording “SLEEP LONG”. 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 T0729202554. Written by TIMOTHY ARMSTRONG, ROGER MATTHEW FREEMAN, JESSE MICHAELS, and others.

Format

USCountry
CGJRegistrant
23Year (2023)
35559Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2023):
Last two digits of the reference year (2023). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCSLEEP LONG
ISWCSLEEP LONG
IPITIMOTHY ARMSTRONG

Musical Work (ISWC)

T0729202554SLEEP LONG

People also ask

What is the ISRC for "SLEEP LONG"?+
The ISRC for "SLEEP LONG" is USCGJ2335559.
Who wrote "SLEEP LONG"?+
"SLEEP LONG" was written by TIMOTHY ARMSTRONG, ROGER MATTHEW FREEMAN, JESSE MICHAELS, DAVID M MELLO. The ISWC for this composition is T0729202554.
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. USCGJ2335559 is the ISRC for this recording; T0729202554 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 USCGJ2335559?

USCGJ2335559 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “SLEEP LONG”. 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 T0729202554, 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?

TIMOTHY ARMSTRONGComposer
IPI: 00186981904
ROGER MATTHEW FREEMANComposer
IPI: 00186982607
JESSE MICHAELSComposer
IPI: 00339014577
DAVID M MELLOComposer
IPI: 00421539870

Which contributors are credited?

0000 0003 6595 4270Tim Armstrong0000 0003 8593 6037Matt Freeman

Identifier Graph

ISRCUSCGJ2335559ISWCT0729202554IPITIMOTHY ARMSTRO…IPIROGER MATTHEW F…IPIJESSE MICHAELSIPIDAVID M MELLOISNITim ArmstrongISNIMatt Freeman

MLC Song Code

SVFZO9
Verify on MLC Portal →
SourcesMLCMusicBrainz✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

USCGJ2335559 is the International Standard Recording Code (ISRC) for the recording “SLEEP LONG”. 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 T0729202554. Written by TIMOTHY ARMSTRONG, ROGER MATTHEW FREEMAN, JESSE MICHAELS, and others.

Related

Other versions of this workView all on iswc.fm

Sleep Long

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USFW41899802
Sleep Long

Operation Ivy

USHEL0707124
SLEEP LONGUSA560436651

Songwriter profiles

TIMOTHY ARMSTRONGIPIROGER MATTHEW FREEMANIPIJESSE MICHAELSIPIDAVID M MELLOIPI