Queen

1 Interview with FRANK ZAPPA from 1978, by Dave Street - Street: Are there any important rock bands you listen to?; Frank Zappa: I like Queen. I also like Gentle Giant.
2 From the "One Size Fits All Interview" by Steve Rosen from "Guitar Player" magazine, in 1977 - Rosen: Are there guitarists you love?; Zappa: There are a few guitarists I've listened to recently that I thought were really good. I like Brian May from Queen: I think he's really exceptional. Sources: "Zappa Wiki Jawaka"