When you need to conjure up power, pick songs that stir up your emotions. This means opting for combative tunes like Rage Against the Machine's Killing in the Name over meeker stuff like Moby's Run On.Play Amped-up rock or hip-hop that's fast and hard
's Lose Yourself – may well never be settled. Whereas many runners opt for the hip-hop sounds of a Talib Kweli or Public Enemy, an equal number seem drawn to rockers like Lenny Kravitz, Metallica and Velvet Revolver; crooners, such as Michael Buble or Tony