The opera is more of an art form of the 19th Century than the 20th Century and today the opera makers are probably Spielberg or George Lucas rather than musicians. Also, I had a feeling that you could use vocals in other ways than just the traditional song rather like the opera used to use voices in a musical piece. I tried to think of vocals as instruments rather than just as lead parts.
“It came to me that with today’s technology I could use voices transformed by digital devices and processors and produce complete orchestration made almost entirely by vocals of different languages. I stole vocals from television in China, Africa, United States, Germany and mixed them together to give a sort of human zoo. Zoolook! Read more.