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  1. Home
  2. ISRCs
  3. DEF057203121
Sonata for Piano, 4 hands in C major, K. 521: I. Allegro album cover

ISRC

DEF057203121

Sonata for Piano, 4 hands in C major, K. 521: I. Allegro✓2

Song: Sonata for Piano with 4 Hands in C major, K. 521: I. Allegro

Christoph EschenbachJustus Frantz
matched
Released 1972-01-01

Last verified: July 20, 2026

DEF057203121 is the International Standard Recording Code (ISRC) for the recording “Sonata for Piano, 4 hands in C major, K. 521: I. Allegro” by Christoph Eschenbach, Justus Frantz, released 1972-01-01. 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-800184797-9.

Format

DECountry
F05Registrant
72Year (1972)
03121Designation
Country:
ISO 3166-1 alpha-2 country code (DE).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (1972):
Last two digits of the reference year (1972). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCSonata for Piano, 4 hands in C major, K. 521: I. Allegro
ISWCSonata for Piano with 4 Hands in C major, K. 521: I. Allegro

Musical Work (ISWC)

T-800184797-9Sonata for Piano with 4 Hands in C major, K. 521: I. Allegro

Credits Graph

MLC Song Code

O1638K
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

People also ask

What is the ISRC for "Sonata for Piano, 4 hands in C major, K. 521: I. Allegro" by Christoph Eschenbach?+
The ISRC for "Sonata for Piano, 4 hands in C major, K. 521: I. Allegro" by Christoph Eschenbach, Justus Frantz is DEF057203121.
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. DEF057203121 is the ISRC for this recording; T-800184797-9 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 DEF057203121?

DEF057203121 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Sonata for Piano, 4 hands in C major, K. 521: I. Allegro” by Christoph Eschenbach, Justus Frantz. 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-800184797-9, 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

Christoph EschenbachJustus Frantz

DEF057203121 is the International Standard Recording Code (ISRC) for the recording “Sonata for Piano, 4 hands in C major, K. 521: I. Allegro” by Christoph Eschenbach, Justus Frantz, released 1972-01-01. 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-800184797-9.

Christoph Eschenbach, Justus Frantz

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