Gornest rhwng ysgolion Dyffryn Ogwen a Brynrefail. Ifan Davies a Magi Dodd sy'n cyflwyno. Ysgol Dyffryn Ogwen and Ysgol Brynrefail compete in Radio Cymru's annual pop quiz.
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Gornest rhwng ysgolion Dyffryn Ogwen a Brynrefail. Ifan Davies a Magi Dodd sy'n cyflwyno. Ysgol Dyffryn Ogwen and Ysgol Brynrefail compete in Radio Cymru's annual pop quiz.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
