I like 20 out of 50 mainstream artists

1. Lady Gaga []

2. Bruno Mars [x]

3. Justin Bieber []

4. Jennifer Lopez []

5. Britney Spears [x]

6. Cee Lo Green []

7. Selena Gomez []

8. Pitbull [x]

9. Jay-Z [x ]

10. Beyonce [x]

11. Justin Timberlake []

12. Rihanna [x]

13. Ke$ha [X]

14. Nicki Minaj [x]

15. Katy Perry [x]

16. Ne-Yo []

17. Michael Jackson []

18. Elvis Presley []

19. P!nk [x]

20. Taylor Swift [xxxxxxxxx]

21. Flo Rida []

22. Black Eyed Peas [x]

23. Miley Cyrus []

24. Kings of Leon []

25. Muse []

26. 3OH!3 []

27. Jay Sean []

28. Rebecca Black [ ]

29. Madonna [x]

30. Jason DeRulo [x]

31. Alicia Keys []

32. Chris Brown [ ]

33. Leona Lewis []

34. Adele [x]

35. Nelly Furtado []

36. Usher [x]

37. Avril Lavigne [x]

38. Christina Aguilera []

39. Elton John []

40. Kanye West []

41. Nicole Sherzinger []

42. Lily Allen []

43. Mary J. Blige []

44. Eminem [x]

45. Robbie Williams []

46. Shakira [x]

47. Kelly Clarkson [x]

48. Mariah Carey []

49. Green Day [x]

50. Missy Elliot []