Here's one of the fantastic music you can hear in the amazing documentary from Leslie Iwerks "The Pixar story". Composed by Jeff Beal You can have all of the music on his website: jeffbeal.com/works/films/pixar...
Here, seems the link in the description is dead but it's for free on composer Jeff Beal's website for free :) jeffbeal.com/works/films/pixarstory.html I don't know if there was cd releae, but I don't think so...