A horse is sitting at home, watching MTV... He's watching a heavy metal music video, and the guitarist plays an amazing solo. The horse says ""that looks amazing, I want to do that!"" The horse goes to the phone book, looks up a music teacher and calls him. ""Hi, I'd like to learn to play guitar."" Says the horse. ""Sure,"" says the man on the phone. ""Just come to your lesson and we'll get you started."" ""There's just one problem,"" says the horse. ""I'm a horse."" ""Not to worry,"" the man sa…