(Credit: Matilde Chambon) Mimi Johnson is founder and director of Performing Artservices (1972) and Lovely Music (1978). She was married to composer Robert Ashley and continues to produce and tour his work, including all of Ashley’s operas, from “Perfect Lives” (1978-81) through “Crash” (2013-15) and “Quicksand “(2011-16). OperaWire reviewed Johnson’s most recent productions of Ashley’s operas, including “Improvement (Don Leaves {…}