ISRC
Day Thirteen: Sign2
Last verified:
NLB931601613 is the International Standard Recording Code (ISRC) for the recording “Day Thirteen: Sign” by Ayreon, released 2004-01-01. 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 T3110806383.
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NLB931601613 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Day Thirteen: Sign” by Ayreon. 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 T3110806383, 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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NLB931601613 is the International Standard Recording Code (ISRC) for the recording “Day Thirteen: Sign” by Ayreon, released 2004-01-01. 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 T3110806383.
