23:00Jam sits in for Annie16/01/2010BBC Radio 1 Duration: 2 hours Sat 16th Jan 2010, 23:00 on BBC Radio 1 EnglandSeani B is on the decks for MistaJam to keep the party rocking.GenresMusicPop & ChartExperimental & NewMusicRock & IndieExperimental & NewMusicHip Hop, RnB & DancehallExperimental & NewBrandJam sits in for Annie Source: BBC Online