Music: Lose An "I"

Name these artists/bands who have lost an "i"?

1. Do these Oklahoma weirdos set vinyl on fire?
   
2. "Guitar George" may know all the chords, but these guys play really bad Fenders.
   
3. Red-haired bottleneck guitarist joins Glam Metal band.
   
4. 80s avant-garde funk outfit seeks the return of a big green ogre.