 The Fightin ' Texas Aggie Band , the world 's largest precision military marching band , provides music for University functions and presents intricate halftime performances at football games . Some band drills are so complicated that they require band members to step between each other 's feet to complete the maneuvers . These drills must be drawn by hand as computer marching programs have returned errors ; their calculations require two people to be in the same spot at the same time . 
