Dvorak's New World Symphony
Rachmaninoff's Piano Concerto 2
Rachmaninoff's *
Erik Satie's Gymnopedies (especially number 1)
Edvard Greig's Peer Gynt suite
THE PLANETS
Mascagni's Intermezzo from the Cavelleria Rusticana
Prokofiev's Dance of the Knights
1812 Overture (all 17 or so minutes)

And if you fancy some lulz, the Hungarian Rhapsody No. 2 by Liszt