Top 5 fave non metal bands/artists.

Depeche Mode, Bruce Springsteen, Neil Young, Wolfgang Ambros (Austrian singer) and U2 (in no particular order).
 
5? in no order:
frank zappa
miles davis
charles mingus
king crimson
peter gabriel
thin lizzy (oops, now they're 6!)
aretha franklin (oops, now they're 7!)
david bowie (oops, now they're 8!!)
tom waits (oops, now they're 9!!!)