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  3. USPR19104475
Optimistic (album version) album cover

ISRC

USPR19104475

Optimistic (album version)✓2

Song: OPTIMISTIC

Sounds of Blackness
matched
Released 1999-11-08

Last verified: July 6, 2026

USPR19104475 is the International Standard Recording Code (ISRC) for the recording “Optimistic (album version)” by Sounds of Blackness, released 1999-11-08. 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-070162672-3. Written by JAMES SAMUEL III HARRIS, GARY DENNIS HINES, TERRY LEWIS.

Format

USCountry
PR1Registrant
91Year (1991)
04475Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (1991):
Last two digits of the reference year (1991). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCOptimistic (album version)
ISWCOPTIMISTIC
IPIJAMES SAMUEL III HARRIS

Musical Work (ISWC)

T-070162672-3OPTIMISTIC

People also ask

What is the ISRC for "Optimistic (album version)" by Sounds of Blackness?+
The ISRC for "Optimistic (album version)" by Sounds of Blackness is USPR19104475.
Who wrote "Optimistic (album version)"?+
"Optimistic (album version)" was written by JAMES SAMUEL III HARRIS, GARY DENNIS HINES, TERRY LEWIS. The ISWC for this composition is T-070162672-3.
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. USPR19104475 is the ISRC for this recording; T-070162672-3 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 USPR19104475?

USPR19104475 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Optimistic (album version)” by Sounds of Blackness. 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-070162672-3, 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?

JAMES SAMUEL III HARRISComposerLyricist
IPI: 00125105225
GARY DENNIS HINESComposerLyricist
IPI: 00129958625
TERRY LEWISComposerLyricist
IPI: 00125215020

Which contributors are credited?

0000 0000 5745 0759JAMES SAMUEL III HARRIS0000 0003 7266 7042TERRY LEWIS

Identifier Graph

ISRCUSPR19104475ISWCT-070162672-3IPIJAMES SAMUEL II…IPIGARY DENNIS HIN…IPITERRY LEWISISNIJAMES SAMUEL II…ISNITERRY LEWIS

MLC Song Code

O71937
Verify on MLC Portal →
SourcesNotesMusicBrainz✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
Sounds of Blackness

USPR19104475 is the International Standard Recording Code (ISRC) for the recording “Optimistic (album version)” by Sounds of Blackness, released 1999-11-08. 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-070162672-3. Written by JAMES SAMUEL III HARRIS, GARY DENNIS HINES, TERRY LEWIS.

Sounds of Blackness

Related

Other versions of this workView all on iswc.fm

Optimistic

Sounds of Blackness

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OPTIMISTICAUXN22088302
OPTIMISTICUSUM70819628

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Songwriter profiles

JAMES SAMUEL III HARRISIPIGARY DENNIS HINESIPITERRY LEWISIPI