That kind of piece, perhaps most recognizable because of Yoko Ono's similar work, built a bridge between performance art and music - and without raising any awkward social issues. ↗
As you're growing up, it's odd, because directors don't expect you to grow up. They think you'll be young forever, but as an actor, there is an awkward period when you're too young for old or too old for young, and it can be an odd time. ↗