Rhiannon Lewis sy'n cyflwyno, gan ddathlu Proms 2019 yng nghwmni Alwyn Humphreys. Rhiannon Lewis sits in, celebrating Proms 2019 with Alwyn Humphreys.
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Rhiannon Lewis sy'n cyflwyno, gan ddathlu Proms 2019 yng nghwmni Alwyn Humphreys. Rhiannon Lewis sits in, celebrating Proms 2019 with Alwyn Humphreys.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
