16:00On 1XtraTwin's in for TimBBC Radio 1Xtra Duration: 3 hours Mon 4th Jan 2010, 16:00 on 1xtraTwin B sits in for the Big Dawg. Includes the 1Xtra News. Show more GenresMusicPop & ChartMusicHip Hop, RnB & DancehallMusicPop & ChartExperimental & NewBrandOn 1Xtra Source: BBC Online