Huntchback of Notre Dame is the best soundtrack with Beauty and the Beast a close second.
I can't believe nobody else listed Hunchback. Such great, big stuff. Especially for those that enjoy Fantasia and the big, classical/romantic/post-romantic style. Hunchback has some great orchestral writing.
DITTO about Hunchback! "Out There" gives me chills every time I hear it!!
But I also love Mary Poppins, Lion King, and Mulan. I adore Stevie Wonder and was so pleasantly surprised that he was a part of "True to Your Heart". Love it!! I'm dancin' in my chair just thinking about it (and Ipodding it right now!).