Ysgolion Glan Clwyd a Maes Garmon yn ceisio cyrraedd yr wyth olaf. Ysgol Glan Clwyd and Ysgol Maes Garmon compete to reach the quarter-final of Radio Cymru's pop quiz.
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Ysgolion Glan Clwyd a Maes Garmon yn ceisio cyrraedd yr wyth olaf. Ysgol Glan Clwyd and Ysgol Maes Garmon compete to reach the quarter-final of Radio Cymru's pop quiz.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
