" 'I feel, therefore I am.' For Hector Berlioz, and for the Romantic movement he personified, those were words to live by. But with the unprecedented outpouring of emotion in his Symphonie fantastique he almost overpowered Paris. This orchestral sonic spectacular, written to win the heart of a beautiful actress, demanded sacrifice from its author and his audience. From romantic daydreams to deadly displays of devotion, the symphony relates an 'episode...