I suspected that my DS is somewhat, maybe very mildly, synesthetic. I remember when he was 8 and first played in an orchestra he wanted to audition for a solo part but not another one. His rationale is that "the first green part is beautiful", and "the second one is a yellow part that's ugly".
It seems that musical notes and passages have colors to him all these years, but he doesn't mention it as much as when he was younger. Don't know if he just got used to it or the brain connections changed. But it was fun to listen.
