Owain Jones o Bontsiân sy'n ceisio adnabod sŵn peiriant Ifan Jones Evans - be' fydd y sŵn? Owain Jones from Pontsiân tries to guess the sound of the agricultural machine. Show more
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Owain Jones o Bontsiân sy'n ceisio adnabod sŵn peiriant Ifan Jones Evans - be' fydd y sŵn? Owain Jones from Pontsiân tries to guess the sound of the agricultural machine. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
