Sometimes they're tongue-in-cheek. Sometimes they're deadly serious. Sometimes they're delusional. But the rock stars we remember are the rock stars who give good copy. Those who aren't afraid of bluster, who understand the value of column inches and controversy, who never let modesty get in the way of a good soundbite. Here are 40 examples of breathtaking, brilliant arrogance from some of the biggest names in music. We'd be nothing without them.