Cosmic EggSwapping out his rhythm section, Andrew Stockdale proves beyond a shadow of a doubt that he's the mastermind of Wolfmother on COSMIC EGG, creating a second record that is essentially a replication of the first, equally enamored with all the thick, heavy rock of the '70s, specifically Sabbath and Zeppelin, and tempered with a little bit of Jack White caterwaul. All the sounds remain the same, but the songs have changed: with the occasional exception,