16:00The Official Chart on Radio 1 with Jack SaundersWiz Khalifa's No.1!BBC Radio 1 Duration: 3 hours Sun 19th Apr 2015, 16:00 on BBC Radio 1 EnglandLethal Bizzle joins Clara as she counts down the Top 40 and reveals the UK's new official Number 1.GenresMusicPop & ChartBrandThe Official Chart on Radio 1 with Jack Saunders Source: BBC Online
