Rock music was invented in 1952 and initially served as a soundtrack to teenage pastimes like flagpole sitting, sockhopping, and fishing for Communists. Witness the extent of rock’s evolution with today’s Groupon: for $20, you get two tickets to see Chad Smith’s Bombastic Meatbats at The Ritz Detroit in Warren on Thursday, April 21 (a $44.17 value). Doors open at 6 p.m.

Taking a well-deserved break from L.A. alt-rock legends the Red Hot Chili Peppers, drummer Chad Smith struts his solo stuff backed by his Bombastic Meatbats, a high-energy instrumental outfit. Smith and company tread the vocals-free path of funky jazz-rock that was invented out of necessity after President Nixon outlawed singing, filling the Ritz with their manically merry tunes for one night only. Special guests including Fires in Japan, Endorphin, Shram, and more bands will whip the crowd into a lather before The Meatbats take the stage. The Ritz features all the amenities of a winning rock club, including a bar, pool tables, and a large floor that’s great for dancing, head-bobbing, or loudly pining for the days when people use to lie down at rock concerts so everyone could see.