Has anyone ever heard the choral symphony Mythodea by the Greek composer Vangelis? If you like movie music, choral music, oratorios, opera, electronic, and orchestral music, this is definitely a piece to check out. You can watch the whole thing on youtube, with Jessye Norman and Kathleen Battle (sopranos) singing. It's pretty long but it is a piece of epic proportions that not many composers choose to write.