All Along the Watchtower, The Man Who Sold The World, Hurt; When you think of bands covering music, you think of them giving it their 'treatment'. In each of these cases, there is a distinct difference between the original and the cover, as each artist has developed their own distinct sound. Now it's up to you to give your treatment to whatever it is that needs it, do it in your own way, and develop your own treatment for things. Whatever it is, just do it.