ISRC
I’ve Heard It Before2
Last verified:
USA370538459 is the International Standard Recording Code (ISRC) for the recording “I’ve Heard It Before” by Black Flag, released 1981-06-01. 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 T7000281198.
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USA370538459 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “I’ve Heard It Before” by Black Flag. 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 T7000281198, 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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USA370538459 is the International Standard Recording Code (ISRC) for the recording “I’ve Heard It Before” by Black Flag, released 1981-06-01. 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 T7000281198.
