Carlos Santana ' doing well ' after collapsing during a show in Michigan

The rocker was taken to the hospital and treated for heat exhaustion and dehydration . X The rock legend's representative Michael Jensen said in a statement to USA TODAY that Santana was at his show at the Pine Knob Music Theatre ( formerly DTE Energy Music Theatre ) , an amphitheater about 40 miles outside Detroit , when he was taken to the emergency department at McLaren Clarkston hospital .