4 fun.
5 P!nk
6 HURTS
7 Rihanna
9 Bastille
11 Caro Emerald
12 Lenka
13 Passenger
14 Bruno Mars
16 Ed Sheeran
18 Taylor Swift
19 Fall Out Boy
20 Train
21 Killers
23 Jamaram
24 Dido
25 Daft Punk
29 Tom Odell
34 Matt Hires
35 Muse
36 Paramore
38 Olly Murs
39 Milk
40 James Arthur