ISRC
The Hardest Thing2
Song: THE HARDEST THING
Last verified:
The ISRC for “The Hardest Thing” by American Aquarium is QZUB92200009. 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 2022-06-10. The underlying musical work is ISWC T3105198281.
Credit Chain
QZUB92200009 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “The Hardest Thing” by American Aquarium. 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 T3105198281, 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 “The Hardest Thing” by American Aquarium is QZUB92200009. 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 2022-06-10. The underlying musical work is ISWC T3105198281.
