(Warning! High level of nostalgic content) In the 6:05 mark of this video, you can see three great minutes of sound designer master Ben Burtt showcasing some of the source material he used for the layering of a sound for Star Wars.
The video is a part of a rare documentary about John Williams and the music of Star Wars published between 1989-1990. You can see the rest of the parts on YouTube.
Via The Sonic Spread