ISRC
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The ISRC for “Number One” by Portugal. The Man is USAT21700814. 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 2017-06-15. The underlying musical work is ISWC T9221375651. Written by BRIAN JOSEPH BURTON, JOHN BALDWIN GOURLEY, KYLE O'QUIN, and others.
Credit Chain
USAT21700814 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Number One” by Portugal. The Man, Richie Havens, Son Little. 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 T9221375651, 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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The ISRC for “Number One” by Portugal. The Man is USAT21700814. 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 2017-06-15. The underlying musical work is ISWC T9221375651. Written by BRIAN JOSEPH BURTON, JOHN BALDWIN GOURLEY, KYLE O'QUIN, and others.
