What it needs:
Loading screen, instructions and mute button
I can create a garbled mess of music by tugging the chord several times. So, make sure that starting new music also means stopping old music.
When discovering the other dance moves, I was rather impressed I have to say. I almost gave you a whole star for it. Having to double click on the little bulbs was annoying though.
You probably have potential in terms of animation or interactive storytelling. So, don't give up, you keep working and something great might just appear.