“For most of the work’s duration, twenty-four subwoofers, placed with their cones pointed upward, emit electronic tones that vibrate at a frequency of 10.67 hertz, or around ten oscillations per second. … Human ears can’t detect sounds much below twenty hertz, but you register their presence all the same. … The body is listening even when the ears tune out.” Alex Ross checks out Ashley Fure’s “opera for objects,” The Force of Things.