16:00The Official Chart on Radio 1 with Jack Saunders17/07/2015BBC Radio 1 Duration: 1 hour, 45 minutes Fri 17th Jul 2015, 16:00 on BBC Radio 1 EnglandAvicii, Little Mix and Sam Feldt try to knock David Zowie from the top spot.GenresMusicPop & ChartBrandThe Official Chart on Radio 1 with Jack Saunders Source: BBC Online