Gerallt Evans o Trawsgoed sy'n cael y dasg o geisio 'nabod sŵn y tractor gydag Ifan. Gerallt Evans from Trawsgoed tries to guess the sound of the tractor in Ifan's challenge. Show more
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Gerallt Evans o Trawsgoed sy'n cael y dasg o geisio 'nabod sŵn y tractor gydag Ifan. Gerallt Evans from Trawsgoed tries to guess the sound of the tractor in Ifan's challenge. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
