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  3. USNRR0400170
Perfect World album cover

Perfect World✓2

ISRC

USNRR0400170

Song: HALF THE PERFECT WORLD

Guttermouth
matched
Released 2019-08-01

Last verified: October 14, 2026

One ISRC for “Perfect World” by Guttermouth is USNRR0400170. 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 2019-08-01. The underlying musical work is ISWC T-901257549-4. Written by DAVID ANTHONY DWYER.

Format

US
Country
NRRRegistrant
04Year (2004)
00170Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2004):
Last two digits of the reference year (2004). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCPerfect World
ISWCHALF THE PERFECT WORLD

Musical Work (ISWC)

T-901257549-4HALF THE PERFECT WORLD

People also ask

What is one ISRC for “Perfect World” by Guttermouth?+
One ISRC for “Perfect World” by Guttermouth is USNRR0400170.
What is the ISWC for “HALF THE PERFECT WORLD”?+
The ISWC for “HALF THE PERFECT WORLD” is T-901257549-4. This recording is titled “Perfect World”. The ISRC USNRR0400170 identifies this specific recording; the ISWC identifies the underlying musical work shared by all versions.
Who wrote “HALF THE PERFECT WORLD”?+
“HALF THE PERFECT WORLD” was written by DAVID ANTHONY DWYER. The ISWC for this composition is T-901257549-4.
Who publishes “HALF THE PERFECT WORLD”?+
The publishers credited on “HALF THE PERFECT WORLD” include: CHAPPELL MUSIC AUSTRALIA PTY., WARNER-TAMERLANE PUBLISHING CORP.. 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. USNRR0400170 is the ISRC for this recording; T-901257549-4 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 USNRR0400170?

USNRR0400170 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Perfect World” by Guttermouth. 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-901257549-4, 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?

DAVID ANTHONY DWYERComposer
CHAPPELL MUSIC AUSTRALIA PTY. OriginalPublisher0.00%
WARNER-TAMERLANE PUBLISHING CORP. RightsAdministrator100.00%IPI: 00185314175

Who publishes this song?

CHAPPELL MUSIC AUSTRALIA PTY.OriginalPublisher
WARNER-TAMERLANE PUBLISHING CORP.RightsAdministrator
IPI: 00185314175

Credits Graph

MLC Song Code

H46345
Verify on MLC Portal →
SourcesMusicBrainzMLC
✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

Related

Other versions of this workView all on iswc.fm

Perfect World

Laura Izibor

USAT20804005
PERFECT WORLDCAM460404655
PERFECT WORLDUSRY20410019
HALF THE PERFECT WORLDUSSM10600599
PERFECT WORLDUSWD11468900

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One ISRC for “Perfect World” by Guttermouth is USNRR0400170. 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 2019-08-01. The underlying musical work is ISWC T-901257549-4. Written by DAVID ANTHONY DWYER.

Guttermouth