Mae'n 75 mlynedd ers sefydlu Côr Orffews Treforys - sut mae pethau wedi newid? 75 years since the Morriston Orpheus Choir was established - how times have changed!
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Mae'n 75 mlynedd ers sefydlu Côr Orffews Treforys - sut mae pethau wedi newid? 75 years since the Morriston Orpheus Choir was established - how times have changed!
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
