Blues legends Big Momma Thornton, Howlin’ Wolf, Muddy Waters, and Stevie Ray Vaughn are reminiscing about the ups and downs of their careers. The new guy, B.B. King, arrives and what ensues is a blues concert that is heaven sent. Blue Heaven is guaranteed to heal the soul. Support American Theatre: a just and thriving theatre ecology begins with information for all. Please join us in this mission by making a donation to our publisher, Theatre Communications Group. When you support American Theatre magazine and…