ISRC
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One ISRC for “40 DAYS” by CIRCUS PONORKA is CZK502406102. 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 T9112758379. Written by JAN PONOCNY, JOHN RILEY.
One ISRC for “40 DAYS” by CIRCUS PONORKA is CZK502406102. 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 T9112758379. Written by JAN PONOCNY, JOHN RILEY.
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CZK502406102 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “40 DAYS” by CIRCUS PONORKA. 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 T9112758379, 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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