Ymunwch â'r ddau o Ben Llŷn ar gyfer rhaglen yn nodi ugain mlynedd o fod ar Radio Cymru. John and Alun mark the twentieth anniversary of their weekly show on Radio Cymru. Show more
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Ymunwch â'r ddau o Ben Llŷn ar gyfer rhaglen yn nodi ugain mlynedd o fod ar Radio Cymru. John and Alun mark the twentieth anniversary of their weekly show on Radio Cymru. Show more