ISRC
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The ISRC for “I Used To” by Mutt is NLCK41024622. 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 2009-11-09. The underlying musical work is ISWC T0725592937. Written by CHRISTOPHER DAUGHTRY, ZACHARY DAVID MALOY, HOWARD M. BENSON.
Credit Chain
NLCK41024622 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “I Used To” by Mutt. 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 T0725592937, 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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MLC Song Code
The ISRC for “I Used To” by Mutt is NLCK41024622. 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 2009-11-09. The underlying musical work is ISWC T0725592937. Written by CHRISTOPHER DAUGHTRY, ZACHARY DAVID MALOY, HOWARD M. BENSON.
