ISRC
Hero of the Day (unreleased aux mix)2
Song: Hero of the Day
Last verified:
The ISRC for “Hero of the Day (unreleased aux mix)” by Metallica is QMKHM2400125. 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 2025-06-13. The underlying musical work is ISWC T0708986644.
Credit Chain
QMKHM2400125 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Hero of the Day (unreleased aux mix)” by Metallica. 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 T0708986644, 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 “Hero of the Day (unreleased aux mix)” by Metallica is QMKHM2400125. 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 2025-06-13. The underlying musical work is ISWC T0708986644.
