If the record companies could dream a dream, it would look a lot like Boyle: a singer with a moving backstory (ugly duckling plucked from obscurity) and a classic style that appeal to a boomer audience, the only people still buying CDs.But who is this Scottish sensation? She's certainly not a pop singer. Her solemn version of the Monkees' "Daydream Believer" and her theatrical take on the old Skeeter Davis hit, "The End of the World,"