4 Daya
7 Beck
8 Sia
9 P!nk
11 Andy Grammer
12 Nate Ruess
14 Adele
15 Echosmith
16 Taylor Swift
17 Tori Kelly
18 Mika
20 DNCE
21 Karmin
23 Olly Murs
24 Leona Lewis
25 Coldplay
26 Gwen Stefani
27 Weezer
28 Maroon 5
31 a-ha
32 Charlie Puth
33 Halsey
34 Jess Glynne
36 Bryan Adams
39 John Newman