ISRC
Song: THIS OLD HEART OF MINE (IS WEAK FOR YOU)
Last verified:
The ISRC for “This Heart of Mine” by Jason Castro is USAT21000381. 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 2010-02-02. The underlying musical work is ISWC T0702473037. Written by JASON CASTRO, GREGG STEVEN WATTENBERG, MARC ROBERGE, and others.
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USAT21000381 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “This Heart of Mine” by Jason Castro. 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 T0702473037, 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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MLC Song Code
The ISRC for “This Heart of Mine” by Jason Castro is USAT21000381. 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 2010-02-02. The underlying musical work is ISWC T0702473037. Written by JASON CASTRO, GREGG STEVEN WATTENBERG, MARC ROBERGE, and others.
