I've always wanted to learn to use LilyPond. My first two attempts are Mosquito Byte Rag [link fixed] (PDF, 148K) and a piano version of the Equal Rites Main Theme (PDF, 117K). There are no dynamic or note markings yet.
I wrote Mosquito Bite Rag thirty years ago. Thirty. Years. Ago. That makes me feel old, but what's worse is that I haven't written anything seriously in over ten years. Even the Equal Rites theme is around fifteen years old.