Y rhif pedwar sy'n cael sylw John Hardy ar yr ymweliad hwn â'r archif. John Hardy delves into the Radio Cymru archive to look for all things four. Show more
Discover 11,128,835 listings and 277,916 playable programmes from the BBC
Y rhif pedwar sy'n cael sylw John Hardy ar yr ymweliad hwn â'r archif. John Hardy delves into the Radio Cymru archive to look for all things four. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
