Known as opera's "disrupter-in-residence," director Yuval Sharon has never adhered to the art form's conventions. In his many productions in both the United States and Europe, he constantly challenges the perception of opera as aloof by urging, among other things: performing operas in "non-places," such as parking lots; encouraging the use of amplification; and shuffling the traditional structure of classic works, like performing Puccini's La boh