So let's look at the running order, as determined by random.org
1. Psy
2. Ida
3. Esmeé Denters
4. Oh My!
5. The Jungle Giants
6. Imelda May
7. The Neighbourhood
8. A Rocket to the Moon
9. Niki & the Dove
10. Air Traffic Controller
11. Jess Mills
12. Lenka
13. The Orkids
14. Jukebox the Ghost
15. Bess Rogers
16. Avec Sans
17. Sucré
18. Luke Bryan
19. The Avett Brothers
20. Say Anything
21. Apples
22. YesYou
23. Big Fox
24. Cut Copy
25. We Are Augustines
26. Picture Book
27. The Horrible Crowes
28. Pegasus
29. Ruby Frost
30. Y.A.S.
31. Tilly & the Wall
32. Bim
33. Edens Edge
34. Dia Frampton
35. Celeste Buckingham
36. Lilygreen & Maguire
37. Daley
38. Imaginary Cities
39. Orianthi
40. The Chevin