ISRC
Song: SUMMER DAYS
Last verified:
One ISRC for “Summer Days” by Karl Wolf is CALB40500012. 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 2006-01-28.
CALB40500012 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Summer Days” by Karl Wolf. 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.
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This ISRC still identifies a valid recording; the available sources have not yet connected it to an ISWC for the underlying composition. Available release, performer, producer, and songwriter links remain visible below.
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One ISRC for “Summer Days” by Karl Wolf is CALB40500012. 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 2006-01-28.
