ISRC
Knock Knock
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The ISRC for “Knock Knock” by M’s Up E.P., Alief Biggie is TCAJJ2598255. 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 2025-03-13.
TCAJJ2598255 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Knock Knock” by M’s Up E.P., Alief Biggie. 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 “Knock Knock” by M’s Up E.P., Alief Biggie is TCAJJ2598255. 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 2025-03-13.
