Miles Davis' "Sketches of Spain" was mentioned above thread. That's one album I've heard. Here's a link to a YouTube video of an unnamed orchestra playing that music:

ttp://www.youtube.com/watch?v=6CZFnyXwlV4
Sketches of Spain

"The 5th movement, performed Live in Chicago."

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Also, here's a link to a YouTube video of Miles Davis & Gil Evans 1959:
http://www.youtube.com/watch?v=GFaK4q0pxcQ&feature=related

"Miles Davis and Gil Evans in 1959. In this video only the last song (New Rumba) is missing".