 "Insomniac" is said to be Iglesias' most diverse to date.It features a song titled "Miss You", which he has dedicated to his girlfriend, former tennis star Anna Kournikova, as well as a track, "Push", which he performs with rapper Lil' Wayne -- a big departure from his usual material.The first single, "Do You Know", has become known as the "ping pong song" because of its stand-out beat.