You know a player is a big deal when his name becomes an adjective. "Put a little Les Claypool on it," they'd say. Claypool is a machine on the electric bass, emitting sounds from his instrument that are something like tap dancing elephants or a dinosaur with gas. Primus is all musically tight and genius in its conception, as the three-piece band emits swirls of sonic mania. If Mad Magazine were a band...

Primus plays with Clutch on Friday, July 21, at the Dome Arena, 2695 East Henrietta Road. 7:30 p.m. $39.50. therocdome.com; primusville.com.