I had never heard of musical hallucinations until I started reading Musicophilia . I guess I've heard of people who claim to hear choirs of angels, but I, like them, thought this was some signification that they were chosen of God or spiritually blessed. Musical hallucinations, however, are neurological. They have nothing to do with divine signification and everything to do with skiwampus neurological pathways. Musicophilia is written by renowned neurosurgeon Oliver Sacks, made famous by his earlier book Awakenings . In fact, if you've never seen the movie , I highly recommend it. It's a true story featuring Robert de Niro and Robin Williams. I loved it the first time I saw it, and now that I'm enthralled with the brain, and our relatively pygmy understanding of it, I relish it even more. Witnessing the radical transformation of the lives of the patients who received the miracle drug L-dopa, gets me excited for the day when we have er...