ISRC
Love Letter
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QT66K2502579 is the International Standard Recording Code (ISRC) for the recording “Love Letter” by 室田瑞希, released 2025-10-01. 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.
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QT66K2502579 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Love Letter” by 室田瑞希. 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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QT66K2502579 is the International Standard Recording Code (ISRC) for the recording “Love Letter” by 室田瑞希, released 2025-10-01. 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.
