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  3. USMAR0904406
LETTER OF RESIGNATION album cover

LETTER OF RESIGNATION

ISRC

USMAR0904406
matched

Last verified: September 11, 2026

The ISRC for this recording (“LETTER OF RESIGNATION”) is USMAR0904406. 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 T9021712981.

Format

USCountry
MARRegistrant
09Year (2009)
04406Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2009):
Last two digits of the reference year (2009). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCLETTER OF RESIGNATION
ISWCLETTER OF RESIGNATION

Musical Work (ISWC)

T9021712981LETTER OF RESIGNATION

People also ask

What is the ISRC for this recording of “LETTER OF RESIGNATION”?+
The ISRC for this recording (“LETTER OF RESIGNATION”) is USMAR0904406.
What is the ISWC for “LETTER OF RESIGNATION”?+
The ISWC for “LETTER OF RESIGNATION” is T9021712981. The ISRC USMAR0904406 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. USMAR0904406 is the ISRC for this recording; T9021712981 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 USMAR0904406?

USMAR0904406 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “LETTER OF RESIGNATION”. 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 T9021712981, 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

Credits Graph

MLC Song Code

L4980C
Verify on MLC Portal →
SourcesMLCMusicBrainz✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

Related

Other versions of this workView all on iswc.fm

LETTER OF RESIGNATIONUSTC30772981

The ISRC for this recording (“LETTER OF RESIGNATION”) is USMAR0904406. 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 T9021712981.