Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
can't think of just one, but here are five

top five (in no particular order)

1. claire de lune (debussy)
2. danse macabre, op. 40 (saint-saens)
3. waltz no. 7, op. 64, no. 2 (chopin)
4. firebird (stravinsky)
5. bolero (ravel)
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.