I played his songs over and over again, and still listen to them. They're all wonderful, and insanely clever. He was an excellent musician and, as well as a wordsmith, a clever parodist of musical styles. The Elements is an obvious tour de force, but I think one of my favourites is "Oedipus Rex" - 'who had a very, very strange complex - his name appears in Freud's index - 'cos he loved his mother...'