Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
Identify the supergroup composed of the following artists:

Pete Townshend, David Gilmour, Simon Phillips, Chucho Merchan, Peter Evans, Billy Nicholls, Cleveland Watkiss, John Bundrick, and The Kick Horns brass ensemble
Praxis
The Gak
Deep End
Humble Pie