Pigion taith Huw Evans i gorneli tywyllaf archif Radio Cymru, i ddarganfod Sesiynau Coll o ddyddiau cynharaf yr orsaf. Huw Evans chooses his favourite music from the series.
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Pigion taith Huw Evans i gorneli tywyllaf archif Radio Cymru, i ddarganfod Sesiynau Coll o ddyddiau cynharaf yr orsaf. Huw Evans chooses his favourite music from the series.