The whole dancing in Destiny thing is looked at by IGN (video below, but it's the writeup that's full of good info). Go see what it's all about! DaDerga pointed this out on our forum yesterday, but hey, it's summer.
BUNGIE™, DESTINY™, MARATHON® and the Bungie, Destiny and Marathon logos are either trademarks or registered trademarks of Bungie, Inc., used with permission.