Queens of the Stone Age have always been a soundtrack for a late night under the stars. With their huge, fuzzy grooves and light-as-air vocals, they're rough on the outside, but teddy bears underneath. Using glockenspiel, mellotron and vibraphone, we highlighted the melodies at the heart of their heaviness. When it's time to put the little devils to bed, these blissed-out instrumentals will gently rock your babies to sleep.