ISRC
Knock Knock2
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USDY41834831 is the International Standard Recording Code (ISRC) for the recording “Knock Knock” by Nik Ammar, Mike Reed, released 2018-04-25. 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 T9223658751. Written by NIKOLAS JOSEPH AMMAR, MICHAEL GARRY REED.
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USDY41834831 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Knock Knock” by Nik Ammar, Mike Reed. 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 T9223658751, 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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USDY41834831 is the International Standard Recording Code (ISRC) for the recording “Knock Knock” by Nik Ammar, Mike Reed, released 2018-04-25. 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 T9223658751. Written by NIKOLAS JOSEPH AMMAR, MICHAEL GARRY REED.
