ISRC
Had to Know2
Song: HAD TO KNOW
Last verified:
The ISRC for “Had to Know” by Jerry Cantrell is QZK6M2135377. 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 2021-10-28. The underlying musical work is ISWC T-306488670-6.
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QZK6M2135377 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Had to Know” by Jerry Cantrell. 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 T-306488670-6, 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 “Had to Know” by Jerry Cantrell is QZK6M2135377. 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 2021-10-28. The underlying musical work is ISWC T-306488670-6.
