Magic Kingdom:
-Current Tomorrowland music loop
-There's A Great Big Beautiful Tomorrow (Carousel of Progress)
-Everybody Has a Laugh'n Place (Splash Mountain)
-Main Street music loop
-Space Mountain star tunnel music loop
-Disney's Dreams Come True Parade soundtrack (Now Celebrate A Dream...)
-SpectroMagic loop
-Main Street Electrical Parade loop
-Wishes audio & soundtrack
-Sonny Ellipse (Cosmic Ray's)
Epcot:
-Entrance music loop
-Innoventions music loop
-Soar'n music loop
-Destiny (Mission: Space)
-One Little Spark (JII 1983-98 version)
-It's Fun to Be Free (World Of Motion)
-Golden Dream (American Adventure)
-O Canada
-Grand Fiesta Tour loop
-Spaceship Earth (1994-2007) loop & audio
-Reflections of Earth audio & soundtrack
Disney's Hollywood Studios:
-Stars & Motor Cars Parade soundtrack (Now Block Party Bash)
-Great Movie Ride audio & loop
Animal Kingdom:
-Tree of Life theme
-Jamm'n Jungle Parade soundtrack
Other:
-Zip-a-dee-doo-dah segments from the Disney T.V. Channels on the televisions at the resorts. I have the 100 Y.O.M. versions from over at Mousebits and I remember them clearly from our 2001/02 trips.
That's what I can think of at the moment. As you can see, you should know what my top favorite parks are with the amount of music and audio listed.