[Rick and Roll]

This is it. This is my final guess, and I'm not guessing anymore! Damnit Keith! Good question!

I bypassed Vincent Crane -

1) Tull
2) Iommi
3) Sabbath
4) Wakeman
5) David Paton
6) Alan Parsons Project
7) Alan Parsons
8) Arthur Brown
9) Hawkwind
10) Lemmy
11) Motorhead