If I wrote a musical it wouldn't be about me. Although I do some magic, so it would probably be about a magician who appeared and re-appeared all over the place.
But you can't show some far off idyllic conception of behavior if you want the kids to come and see the picture. You've got to show what it's really like, and try to reach them on their own grounds.
Anyone who writes knows that ultimately the majority of your time is spent alone in a room with a piano or a guitar, no matter what the project is.