John Hardy sy'n camu i'r llwyfan i hel atgofion ar ffurf archif, sgwrs a chân. John Hardy takes to the stage on this visit to the Radio Cymru archive. Show more
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John Hardy sy'n camu i'r llwyfan i hel atgofion ar ffurf archif, sgwrs a chân. John Hardy takes to the stage 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.
