Late 19th century/early 20th century symphonic would be good. Mahler, Shostakovitch, Stravinsky etc. A couple of recordings that I have that are good:
Holst/The Planets
[url=http://www.amazon.com/Holst-Planets-Gustav/dp/B0000041S7/ref=sr_1_3?ie=UTF8&s=music&qid=1274290533&sr=1-3]Amazon.com: Holst: The Planets: Gustav Holst, Charles Dutoit, Montr