ISRC
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One ISRC for “Yr Eira Mawr” by Mim Twm Llai is GBCFU0603123. 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 2006-01-01. The underlying musical work is ISWC T0117047241.
Credit Chain
GBCFU0603123 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Yr Eira Mawr” by Mim Twm Llai. 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 T0117047241, 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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One ISRC for “Yr Eira Mawr” by Mim Twm Llai is GBCFU0603123. 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 2006-01-01. The underlying musical work is ISWC T0117047241.