ISRC
Song: WHO LET U DOWN
Last verified:
One ISRC for “Who Let U Down” by Trey Songz is USAT21812472. 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 2018-11-28. The underlying musical work is ISWC T3029757522. Written by JOCELYN DONALD, MICHAEL HERNANDEZ, OMARI MASSENBURG, and others.
Credit Chain
USAT21812472 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Who Let U Down” by Trey Songz. 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 T3029757522, 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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One ISRC for “Who Let U Down” by Trey Songz is USAT21812472. 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 2018-11-28. The underlying musical work is ISWC T3029757522. Written by JOCELYN DONALD, MICHAEL HERNANDEZ, OMARI MASSENBURG, and others.
Identifier Graph
MLC Song Code
