ISRC
Only After Dark2
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The ISRC for “Only After Dark” by Def Leppard is GBUM71605973. 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 1992-01-01. The underlying musical work is ISWC T-070.160.995-1.
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GBUM71605973 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Only After Dark” by Def Leppard. 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 T-070.160.995-1, 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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The ISRC for “Only After Dark” by Def Leppard is GBUM71605973. 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 1992-01-01. The underlying musical work is ISWC T-070.160.995-1.
