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  3. USL4R1934979
DARK SPECULARITY album cover

DARK SPECULARITY

ISRC

USL4R1934979
matched

Last verified: September 13, 2026

The ISRC for this recording (“DARK SPECULARITY”) is USL4R1934979. 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 T9317935481.

Format

USCountry
L4RRegistrant
19Year (2019)
34979Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2019):
Last two digits of the reference year (2019). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCDARK SPECULARITY
ISWCDARK SPECULARITY

Musical Work (ISWC)

T9317935481DARK SPECULARITY

People also ask

What is the ISRC for this recording of “DARK SPECULARITY”?+
The ISRC for this recording (“DARK SPECULARITY”) is USL4R1934979.
What is the ISWC for “DARK SPECULARITY”?+
The ISWC for “DARK SPECULARITY” is T9317935481. The ISRC USL4R1934979 identifies this specific recording; the ISWC identifies the underlying musical work shared by all versions.
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. USL4R1934979 is the ISRC for this recording; T9317935481 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 USL4R1934979?

USL4R1934979 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “DARK SPECULARITY”. 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 T9317935481, 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.

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Credits Graph

MLC Song Code

DC80SK
Verify on MLC Portal →
SourcesMLCMusicBrainz✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

The ISRC for this recording (“DARK SPECULARITY”) is USL4R1934979. 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 T9317935481.