You are just trying to get out the door and to the office on time when suddenly, as you are rolling down the street, you realize your body is vibrating apart and bits of you are floating off to their own rhythm. ItsÂ the elastic grove coming from your speakers! A veritable siren song for weak-willed limbs! You’ll have to fight hard to fend off its powers. Or better yet, just give in and go with it. Much more fun that way.