Season 1

1: Maroon 5 ( tomyirawan )-Mentored By:Idiom
2: Evanescence ( rasmusjt14 )-Mentored By: Idiom
3: Selena Gomez ( smooth )-Mentored By: Bob
4: Candice Glover ( NatilieCopter )-Mentored By: Bob
5: Nelly Furtado ( tdiloka )-Mentored By: Mon
6: Cascada ( andrewvaughan17 )-Mentored By Mon
7: Corey Gray ( kkoster001 )-Mentored By: texty
8: Taylor Swift ( 49288 )-Mentored By: Bob
9: Bruno Mars ( @AustinBenevides )-Mentored By: texty
10: Britney Spears ( @BigBrotherFan132 )-Mentored By: Mon
11: Ed Sheeran ( Americus )-Mentored By: texty
12: Pentatonix ( Oysterman11 )-Mentored By: Idiom
13: Ruth Brown ( VintagePoop )-Mentored By: texy/Bob
14: Jessie J ( aaryn23 )-Mentored By: Bob
15: Nicki Minaj ( SamNea l)-Mentored By: Mon
16: Girls Aloud ( Cheryl_Hale )-Mentored By: Idiom
17: Jan Smit ( Waterwork )-Mentored By: Mon
18: Jordan O'Keefe ( Lee2k10 )-Mentored By: texty
19: Aerosmith ( Eccentro )-Mentored by: Idiom
20: Justin Bieber ( DownOnMe99 )-Mentored By: texty/Bob