ISRC
Song: Walzer, op. 39: Nr. 15 As-dur
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The ISRC for “Waltz in A-flat major, op. 39 no. 15” by Stephen Kovacevich is NLA507919616. 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 1991-10-17. The underlying musical work is ISWC T3062299263.
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NLA507919616 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Waltz in A-flat major, op. 39 no. 15” by Stephen Kovacevich. 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 T3062299263, 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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MLC Song Code
The ISRC for “Waltz in A-flat major, op. 39 no. 15” by Stephen Kovacevich is NLA507919616. 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 1991-10-17. The underlying musical work is ISWC T3062299263.
