How about Mason William’s “Classical Gas”?
https://www.youtube.com/watch?v=EEzyrpfrPEI
I like Blue Danube, too. Especially when the ape throws the bone into the sky and it becomes a spaceship to the space station.
The Vienna Waltz
Or for a more modern taste, Piano Concerto #1 by Keith Emerson
Or anything by the wonderful Mannheim Steamroller.