Cerddoriaeth i gyflwyno Cerddorfa Genedlaethol Gymreig y BBC i bawb o bob oed. Music to introduce BBC National Orchestra of Wales to people of all ages. Show more
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Cerddoriaeth i gyflwyno Cerddorfa Genedlaethol Gymreig y BBC i bawb o bob oed. Music to introduce BBC National Orchestra of Wales to people of all ages. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
