The opening of Angela Bulloch’s recent exhibition, “Big Bottom,” featured a performance by a band of the same name with Bulloch (and four others) on bass guitar. The rumbling wave of sound lifted the red, yellow, and blue beanbag chairs in the museum’s back room slightly off the ground and made the dried splashes of mud (slung across the stage wall prior to the performance) literally vibrate. The thrumming didn’t stop after opening night, though: Anyone sitting on a nearby red bench tripped a switch that caused the beanbag chairs to emit a humming sound.

The doughnut-shaped beanbags dominated a