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  1. Home
  2. ISRCs
  3. USIR10110550
Perfect Day album cover

ISRC

USIR10110550

Perfect Day✓2

Hoku
matched
Released 2001-01-01

Last verified: July 28, 2026

USIR10110550 is the International Standard Recording Code (ISRC) for the recording “Perfect Day” by Hoku, 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-071349412-2.

Format

USCountry
IR1Registrant
01Year (2001)
10550Designation
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

ISRCPerfect Day
ISWCPerfect Day

Musical Work (ISWC)

T-071349412-2Perfect Day

Credits Graph

MLC Song Code

P14344
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

People also ask

What is the ISRC for "Perfect Day" by Hoku?+
The ISRC for "Perfect Day" by Hoku is USIR10110550.
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. USIR10110550 is the ISRC for this recording; T-071349412-2 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 USIR10110550?

USIR10110550 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Perfect Day” by Hoku. 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-071349412-2, 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

Related

Other versions of this workView all on iswc.fm

Perfect Day

Danny Jacob

USWD11157303
Perfect Day

Hoku

US5520520001
PERFECT DAY (KARAOKE VERSION) - ORIGINALLY PERFORMED BY HOKUFR6V82050956

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USIR10110550 is the International Standard Recording Code (ISRC) for the recording “Perfect Day” by Hoku, 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-071349412-2.

Hoku