ISRC
It Ain’t Necessarily So2
Song: Porgy and Bess: Act II, Scene II. “It ain’t necessarily so” (Sportin’ Life)
Last verified:
USGR10500713 is the International Standard Recording Code (ISRC) for the recording “It Ain’t Necessarily So” by Oscar Peterson, released 1959-01-01. 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 T9007578623. Written by GEORGE GERSHWIN, IRA GERSHWIN, DUBOSE EDWIN HEYWARD, and others.
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Musical Work (ISWC)
T9007578623Porgy and Bess: Act II, Scene II. “It ain’t necessarily so” (Sportin’ Life)USGR10500713 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “It Ain’t Necessarily So” by Oscar Peterson. 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 T9007578623, 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
USGR10500713 is the International Standard Recording Code (ISRC) for the recording “It Ain’t Necessarily So” by Oscar Peterson, released 1959-01-01. 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 T9007578623. Written by GEORGE GERSHWIN, IRA GERSHWIN, DUBOSE EDWIN HEYWARD, and others.
