THEATER: A new multimedia opera called Violet Fire centers on legendary inventor Nikola Tesla, who not only claimed over 700 patents but also inspired basically the most wicked band ever. Part of the BAM Next Wave Festival, the show conceptualizes the inner life of the man whose famous “waking hallucinations” led to great breakthroughs in electricity (alternating current, hydroelectric power), wireless broadcasting (radio transmission), robotics (remote control), and mind-blowing guitar riffs. (Ends Saturday!) - John......