2 Hozier
4 Muse
7 Sia
10 Rixton
11 Chic
12 Mika
14 Oh Honey
19 Tori Kelly
20 Ella Eyre
22 Katy Tiz
23 Taylor Swift
24 Rob Thomas
26 Taylor Swift
29 Lifehouse
30 Nate Ruess
32 John Newman
34 Lawson
35 ZZ Ward
36 Charli XCX
37 Madonna
38 Beck
39 Echosmith