23:00Jam sits in for Annie19/12/2009 - with some of 2009's best Jam Hot recordsBBC Radio 1 Duration: 2 hours Sat 19th Dec 2009, 23:00 on BBC Radio 1 N. IrelandMistaJam keeps the party rocking. The Saturday Night Soundclash with some of 2009's best Jam Hot RecordsGenresMusicHip Hop, RnB & DancehallExperimental & NewMusicHip Hop, RnB & DancehallGarageMusicDance & ElectronicaDrum & BassBrandJam sits in for Annie Source: BBC Online