12:30Galwad Eto30/03/2016BBC Radio Cymru Duration: 30 o funudau Wed 30th Mar 2016, 12:30 on BBC Radio CymruCyfle i glywed rhai o bigion 'Galwad Cynnar' eto. Highlights from Galwad Cynnar.GenresFactualScience & NatureBrandGalwad Eto Source: BBC Online