I once saw Stewart Copeland, playing with Curved Air, manage to hook a stick behind his glasses in mid-wail, and fling them high across the audience, glinting beautifully in the lights...
You know you are dating yourself

Would I like to have seen that!
When I was in the 9th grade concert band we played the theme song from Hogan's Heros, you know how it has that snare drum intro. I started it out with the snares off. I should have kept playing or got someone to switch them on for me, instead I stopped playing and turned around and turned about 100 different colors. The band director turned to the audience and said something like, "That folks, is what you call a mistake." Duh!