Most parents in those days thought music was a pastime, something you did as a hobby, not a profession, Dunn said.But by the time Dunn was in high school, he was in a band with Cropper.Cropper left to become a session player at Stax, the Memphis record company that would become known for its soul recordings and artists such as Otis Redding, Sam and Dave, Isaac Hayes and the Staples Singers.Dunn s