ISRC
Harden My Heart / Shadows of the Night2
Song: HARDEN MY HEART
Last verified:
USNLR0900077 is the International Standard Recording Code (ISRC) for the recording “Harden My Heart / Shadows of the Night” by Amy Spanger, Michele Mais, released 2009-01-01. 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. The underlying musical work is ISWC T0700775785.
Credit Chain
USNLR0900077 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Harden My Heart / Shadows of the Night” by Amy Spanger, Michele Mais. 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 T0700775785, 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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USNLR0900077 is the International Standard Recording Code (ISRC) for the recording “Harden My Heart / Shadows of the Night” by Amy Spanger, Michele Mais, released 2009-01-01. 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. The underlying musical work is ISWC T0700775785.
