ISRC
夏の日のAfter School（カラオケ）
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The ISRC for “夏の日のAfter School（カラオケ）” by 牧野アンナ is JPB721500521. 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 2015-09-16.
JPB721500521 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “夏の日のAfter School（カラオケ）” by 牧野アンナ. 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 “夏の日のAfter School（カラオケ）” by 牧野アンナ is JPB721500521. 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 2015-09-16.
