Peter White Television EditorEXCLUSIVE: Terrence Howard has reversed his decision to retire and is to star in a television drama about the Mississippi blues from Ozark producer Zero Gravity Management.Empire star Howard will also make his directorial debut on the project, which is currently out to showrunners.Howard has signed on the pilot of Delta Blues, a one-hour drama, based on true events that chronicles the story of W.C. Handy, widely considered the Godfather of the blues.