I got 8 but I only know 8 rock bands!
(https://scontent-mad1-1.xx.fbcdn.net/v/t1.0-9/93881718_3542320759128172_7213117503109595136_n.jpg?_nc_cat=108&_nc_sid=ca434c&_nc_oc=AQm36qNp50G_-KTb16FMxj0wVfqwlbFuAPb8u19cqQGxWNKAokoKMyhYtNTC7xktDcU&_nc_ht=scontent-mad1-1.xx&oh=e3f1279b73366d89239ef480cfe8dcd0&oe=5EBE6781)
Number 10 and 11 took some thinking about and maybe wrong
[spoiler]
1 Pearl Jam
2 Guns & Roses
3 Stone Temple Pilots
4 Queen
5 Doors
6 Led Zeppelin
7 Radiohead
8 Smashing Pumpkins
9 Alice in Chains
10 Pantera
11 Blind Melon
12 Rolling Stones
13 Sex Pistols
14 Police
15 Beatles
[/spoiler]