When the aliens come to earth long after humans are gone, if the only things they find are from the year 2020, they'll most likely get back in their spaceship and get the hell out of Dodge. Luckily for the futuristic extra terrestrials the Chicks put some of their favorite  tunes in a time capsule and left them a bad ass reminder of when the earth still rocked! Take your protein pills and put your helmet on. It's a Chicks Who Love Music: Time Capsule!