4 Beck
8 Daya
11 Echosmith
12 Sia
13 P!nk
14 Tori Kelly
15 Karmin
16 Leona Lewis
17 Andy Grammer
18 Maroon 5
19 Mika
20 Adele
21 a-ha
22 Taylor Swift
23 DNCE
24 Jess Glynne
25 Olly Murs
28 Gwen Stefani
33 John Newman
34 Coldplay
35 Charlie Puth
37 Halsey
38 ZZ Ward