ISRC
It Ain’t Necessarily So2
Song: IT AIN'T NECESSARILY SO
Last verified:
DEPI81504135 is the International Standard Recording Code (ISRC) for the recording “It Ain’t Necessarily So” by Mary Lou Williams, released 1964-01-01. 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-900757862-3.
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DEPI81504135 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “It Ain’t Necessarily So” by Mary Lou Williams. 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-900757862-3, 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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DEPI81504135 is the International Standard Recording Code (ISRC) for the recording “It Ain’t Necessarily So” by Mary Lou Williams, released 1964-01-01. 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-900757862-3.
