4 Hozier
5 Oh Honey
6 Mika
11 Tori Kelly
13 Muse
15 Taylor Swift
16 Rixton
17 Rob Thomas
21 Sia
22 Jess Glynne
24 Chic
25 ZZ Ward
26 John Newman
29 Beck
30 Ella Eyre
31 a-ha
32 Katy Tiz
33 Shawn Mendes
35 Taylor Swift
36 Nate Ruess
37 Lifehouse
38 Nate Ruess
39 Echosmith