Dathlu 60 mlynedd o gôr Philharmonic Abertawe gyda Catrin Alun. Celebrating 60 years of Swansea Philharmoinc choir with Catrin Alun. Show more
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Dathlu 60 mlynedd o gôr Philharmonic Abertawe gyda Catrin Alun. Celebrating 60 years of Swansea Philharmoinc choir with Catrin Alun. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
