Ar ymweliad â Gregynog ym Mhowys, mae Nia yn holi Dr Rhian Davies am Ŵyl Gregynog. On a visit to Gregynog in Powys, Nia chats with Dr Rhian Davies about Gregynog Festival. Show more
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Ar ymweliad â Gregynog ym Mhowys, mae Nia yn holi Dr Rhian Davies am Ŵyl Gregynog. On a visit to Gregynog in Powys, Nia chats with Dr Rhian Davies about Gregynog Festival. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
