By Brandy McDonnellAn abbreviated version of this story appears in Friday’s Weekend Life section of The Oklahoman.Real-life 'Souvenir'Painted Sky Opera tells story of notoriously bad singer Florence Foster JenkinsAfter years of striving for vocal excellence, singing poorly has become a liberating experience for Molly Cason Johnson.“It has been a different kind of challenge, absolutely.Read more on NewsOK.com