Gornest rhwng Ysgol Bro Hyddgen ac Ysgol Tryfan yn rownd y chwarteri. Ysgol Bro Hyddgen and Ysgol Tryfan compete in the quarter-finals of Radio Cymru's annual pop quiz. Show more
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Gornest rhwng Ysgol Bro Hyddgen ac Ysgol Tryfan yn rownd y chwarteri. Ysgol Bro Hyddgen and Ysgol Tryfan compete in the quarter-finals of Radio Cymru's annual pop quiz. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
