Mack, Jack & McConaughey , the joint fundraising effort of Academy Award®-winning actor Matthew McConaughey, ACM Award-winning recording artist Jack Ingram, and coaching legend Mack Brown, will present a concert featuring Lee Ann Womack, Hayes Carll, Jack Ingram, Rhett Akins, Jessi Alexander, William Beckmann, Kameron Marlowe, Jon Randall, Blu Sanders, and Butch Walker.