Image Bill Mack with Billy Stack at microphone on stage at Panther Hall Description Bill Mack (center left) with Billy Stack (center right) at microphone on stage at Panther Hall. Cowtown Jamboree sign in background.
Image Willie Nelson being interviewed by Bill Mack on stage at Panther Hall Description Bill Mack (center left), Billy Stack (center), and Willie Nelson (center right). Cowtown Jamboree sign in background