ISRC
Improvisation 25
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The ISRC for “Improvisation 25” by Dan Tepfer is US2W61128451. 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 2011-11-08.
US2W61128451 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Improvisation 25” by Dan Tepfer. 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.
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The ISRC for “Improvisation 25” by Dan Tepfer is US2W61128451. 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 2011-11-08.
