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  1. Home
  2. ISRCs
  3. USSM10703129
Why Don’t You Write Me album cover

ISRC

USSM10703129

Why Don’t You Write Me✓2

Song: Why Don't You Write Me

Simon & Garfunkel
matched
Released 2008-01-01

Last verified: July 16, 2026

USSM10703129 is the International Standard Recording Code (ISRC) for the recording “Why Don’t You Write Me” by Simon & Garfunkel, released 2008-01-01. 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-070.940.829-6.

Format

USCountry
SM1Registrant
07Year (2007)
03129Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2007):
Last two digits of the reference year (2007). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCWhy Don’t You Write Me
ISWCWhy Don't You Write Me

Musical Work (ISWC)

T-070.940.829-6Why Don't You Write Me

Credits Graph

MLC Song Code

W2180M
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

People also ask

What is the ISRC for "Why Don’t You Write Me" by Simon & Garfunkel?+
The ISRC for "Why Don’t You Write Me" by Simon & Garfunkel is USSM10703129.
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. USSM10703129 is the ISRC for this recording; T-070.940.829-6 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 USSM10703129?

USSM10703129 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Why Don’t You Write Me” by Simon & Garfunkel. 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-070.940.829-6, 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

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USSM10703129 is the International Standard Recording Code (ISRC) for the recording “Why Don’t You Write Me” by Simon & Garfunkel, released 2008-01-01. 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-070.940.829-6.

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