Big Machine's Tim McGraw has invited friends from music, television and film to join him for ACM Presents: Tim McGraw's Superstar Summer Night. The two-hour concert will be filmed by dick clark productions and will highlight some of the tours expected to hit the road this summer. The show takes place April 8 at the MGM Grand in Las Vegas for broadcast at a later date on CBS-TV. Proceeds from the event will benefit ACM Lifting Lives.