ISRC
YOU DON'T KNOW MY HEART
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USTCZ0904739 is the International Standard Recording Code (ISRC) for the recording “YOU DON'T KNOW MY HEART”. 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 T0710451390.
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USTCZ0904739 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “YOU DON'T KNOW MY HEART”. 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 T0710451390, 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
USTCZ0904739 is the International Standard Recording Code (ISRC) for the recording “YOU DON'T KNOW MY HEART”. 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 T0710451390.
MLC has no work registered for this ISRC.
