00:00Gweler BBC Radio 5 live21/12/2017BBC Radio Cymru Duration: 5 awr, 30 o funudau Thu 21st Dec 2017, 00:00 on BBC Radio CymruGweler BBC Radio 5 live. Radio Cymru joins BBC Radio 5 live.GenresFactualBrandGweler BBC Radio 5 live Source: BBC Online