Here is Pavement's Stephen Malkmus doing a "Lay and Play" on a song where he wasn't (obviously) the singer:
Here is the very tailend of the Yo La Tengo vs. Guided by Voices Red Rover game: "Red Rover Red Rover, we call Mitch Mitchell over!"
After The Jon Spencer Blues Explosion's very energetic set, the audience kept yelling for an encore. When they didn't get one (apparently their set ran long), one guy from the crowd showed his displeasure. I am told that the cup thrower got 86'd.