ISRC
Song: WHO KNEW
Last verified:
One ISRC for “Who Knew?” by Tim Mayer is US89R1118915. 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 2015-01-01.
US89R1118915 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Who Knew?” by Tim Mayer, George Cables, Dezron Douglas, Willie Jones III. 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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This ISRC still identifies a valid recording; the available sources have not yet connected it to an ISWC for the underlying composition. Available release, performer, producer, and songwriter links remain visible below.
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MLC Song Code
One ISRC for “Who Knew?” by Tim Mayer is US89R1118915. 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 2015-01-01.
Wynton Marsalis, Willie Jones III, Philip Norris, Isaiah J. Thompson, Ted Nash, Daniel Pemberton
USNLR1900381
Performers
Label
Jazz Legacy Productions
Appears on
