22:00Nick Grimshaw and Annie Mac04/07/2010BBC Switch Duration: 2 hours Sun 4th Jul 2010, 22:00 on BBC Radio 1 WalesRounding off your weekend with celebrity chat, new music and gossip.GenresFactualArts, Culture & the MediaMusicPop & ChartExperimental & NewEntertainmentBrandNick Grimshaw and Annie Mac Source: BBC Online