Phillip Glass is a classical composer but a contemporary of ours. This is a dreamy piece called “Facades”.
http://www.youtube.com/watch?feature=related&hl=en&v=9PD8unnQRcc&gl=IL
I like it. Has it been used in a movie? I found one with pretty visual effects:
http://www.youtube.com/watch?v=l5rQwfcU70E