If there's any object in human experience that's a precedent for what a computer should be like it's a musical instrument: a device where you can explore a huge range of possibilities through an interface that connects your mind and your body allowing you to be emotionally authentic and expressive.
I've always loved music but I never really played anything. After 'Walk the Line' and learning to play guitar and having that sense of performing I think that certainly opened the door for me for music.