Herio 6 o gerddorion i gyfansoddi trefniannau gwerin newydd, a hynny mewn llai na 12 awr. Six musicians have 12 hours to write new arrangements of Welsh folk songs. Show more
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Herio 6 o gerddorion i gyfansoddi trefniannau gwerin newydd, a hynny mewn llai na 12 awr. Six musicians have 12 hours to write new arrangements of Welsh folk songs. Show more