Almost anything by Rush, especially Signals, Hold Your Fire, Counterparts, Presto and Roll the Bones.
Beethoven, especially the Pastoral Symphony.
Pretty much anything by Monty Python, especially Always Look on the Bright Side of Life and Medical Love Song
Soundchaser by Yes
The music of Star Wars by John Williams and Babylon 5 by Christopher Franke
Kyle's Mum is a Big Fat Bitch from the South Park movie.
Anything played well.
Anything by us (see "Stuff we've written")
The Matrix
Interview with the Vampire and Queen of the Damned
Any of the Star Trek movies (with the possible exception of The Final Frontier)
The entire Star Wars saga (including the ones you haven't seen yet)