ISRC
Who Knew2
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USIR10000642 is the International Standard Recording Code (ISRC) for the recording “Who Knew” by Eminem, released 2000-01-01. 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. The underlying musical work is ISWC T-071193676-3. Written by MICHAEL A JR ELIZONDO, ANDRE ROMELL YOUNG, MARSHALL B. MATHERS III, and others.
Credit Chain
USIR10000642 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Who Knew” by Eminem. 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 T-071193676-3, 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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Aftermath Entertainment
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MLC Song Code
MLC has no work registered for this ISRC.
USIR10000642 is the International Standard Recording Code (ISRC) for the recording “Who Knew” by Eminem, released 2000-01-01. 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. The underlying musical work is ISWC T-071193676-3. Written by MICHAEL A JR ELIZONDO, ANDRE ROMELL YOUNG, MARSHALL B. MATHERS III, and others.
