Don't try this at home.

Or, rather, do! Via IMDB (and stumbled over as I watched 2001:A Space Odyssey as comfort food last weekend):

Rock band Pink Floyd was at one point approached to perform music for the film. However they turned it down due to other commitments. Yet they retain a connection with the film: much like The Wizard of Oz (1939) and "Dark Side of the Moon", it is said that Pink Floyd's song "Echoes" from the album "Meddle" can be perfectly synchronized with the "Jupiter & Beyond the Infinite" segment of the film.

 Here's how to set it up and what to look for once you've started.