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  1. Home
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  3. USAT21100831
First of the Year (Equinox) album cover

First of the Year (Equinox)✓2

ISRC

USAT21100831
Skrillex
matched
Released 2011-06-07

Last verified: September 9, 2026

The ISRC for “First of the Year (Equinox)” by Skrillex is USAT21100831. 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 2011-06-07. The underlying musical work is ISWC T-906495621-4. Written by SONNY MOORE.

Format

USCountry
AT2Registrant
11Year (2011)
00831Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2011):
Last two digits of the reference year (2011). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCFirst of the Year (Equinox)
ISWCFirst of the Year (Equinox)
IPISONNY MOORE

Musical Work (ISWC)

T-906495621-4First of the Year (Equinox)

People also ask

What is the ISRC for “First of the Year (Equinox)” by Skrillex?+
The ISRC for “First of the Year (Equinox)” by Skrillex is USAT21100831.
What is the ISWC for “First of the Year (Equinox)”?+
The ISWC for “First of the Year (Equinox)” is T-906495621-4. The ISRC USAT21100831 identifies this specific recording; the ISWC identifies the underlying musical work shared by all versions.
Who wrote “First of the Year (Equinox)”?+
“First of the Year (Equinox)” was written by SONNY MOORE. The ISWC for this composition is T-906495621-4.
Who publishes “First of the Year (Equinox)”?+
The publishers credited on “First of the Year (Equinox)” include: HIPGNOSIS SFH I LIMITED, KOBALT MUSIC PUB AMERICA INC. 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. USAT21100831 is the ISRC for this recording; T-906495621-4 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 USAT21100831?

USAT21100831 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “First of the Year (Equinox)” by Skrillex. 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-906495621-4, 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

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Songwriter profiles

SONNY MOOREIPI
Listen on Apple Music
Album: More Monsters and Sprites4:22Track 1

Who performed on this recording?

Production

SkrillexProducer
SkrillexMix

Label

Big Beat

Appears on

  • More Monsters and Sprites(2012-01-01)
  • Greatest Hits & Remixes(2012-01-01)· Big Beat (2)
  • Absolute Dance Winter 2012(2011-01-01)· Eva Records (5)
  • More Monsters and Sprites(2011-06-07)
Skrillex

The ISRC for “First of the Year (Equinox)” by Skrillex is USAT21100831. 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 2011-06-07. The underlying musical work is ISWC T-906495621-4. Written by SONNY MOORE.

Skrillex

Who wrote this song?

SONNY MOOREComposer
IPI: 00466839307
HIPGNOSIS SFH I LIMITED OriginalPublisherIPI: 01079671029
KOBALT MUSIC PUB AMERICA INC RightsAdministratorIPI: 00503659557

Who publishes this song?

HIPGNOSIS SFH I LIMITEDOriginalPublisher
IPI: 01079671029
KOBALT MUSIC PUB AMERICA INCRightsAdministrator
IPI: 00503659557

Which contributors are credited?

0000 0001 3941 8197Skrillex0000 0003 6865 7220Skrillex

Identifier Graph

ISRCUSAT21100831ISWCT-906495621-4IPISONNY MOOREISNISkrillexISNISkrillex

MLC Song Code

F4528S
Verify on MLC Portal →
SourcesMusicBrainzMLCNotesMLC via NotesMLC✓5 sources

Verified on

  • MusicBrainz recording record
  • MLC song record