Dathlu cyfraniad John Hywel Williams i fyd canu corawl. Celebrating John Hywel Williams' contribution to choral singing Show more
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Dathlu cyfraniad John Hywel Williams i fyd canu corawl. Celebrating John Hywel Williams' contribution to choral singing Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
