John Hardy gydag archif, atgof a chân yn ymwneud â'r 1960au. John Hardy focuses on the 1960s on this visit to the Radio Cymru archive. Show more
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John Hardy gydag archif, atgof a chân yn ymwneud â'r 1960au. John Hardy focuses on the 1960s on this visit to the Radio Cymru archive. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
