16:00The Official Chart on Radio 1 with Jack SaundersGreg James sits in for ReggieBBC Radio 1 Duration: 3 hours Sun 27th Feb 2011, 16:00 on BBC Radio 1 WalesCan Adele top the Official Chart for another week? Greg James sits in for Reggie to count down the latest official Top 40.GenresMusicPop & ChartEntertainmentBrandThe Official Chart on Radio 1 with Jack Saunders Source: BBC Online