22:00BBC Introducing with Adam WaltonLive from GreenmanBBC Radio Wales Duration: 3 hours Sat 20th Aug 2016, 22:00 on BBC Radio Wales MWAdam Walton presents live from the 2016 Greenman Festival at Glanusk, Crickhowell.GenresMusicRock & IndieBrandBBC Introducing with Adam Walton Source: BBC Online