2 Shakira
5 Madonna
8 Maroon 5
10 Nabiha
11 Train
12 Caligola
13 Coldplay
14 Tal
15 Oh Land
17 Garbage
18 Sia
19 Gossip
20 Maroon 5
22 fun.
23 Owl City
24 Wanted
26 Kimbra
28 Daughtry
29 P!nk
31 Hedley
33 will.i.am
34 Fun
35 Katy Perry
36 No Doubt
38 Aura Dione
39 Simple Plan
40 Train