You made something smart, clever and very entertaining.
This idea you brought to life was so perfectly executed. And while you may be surprised or feel there are other games more deserving of attention this game you made is special in that it's not very common.

I've played only a small handful of musical based games. This one has a fantastic concept. I think the strength here is the fact you made the main character hate singing which really sets the tone when she is thrust into a situation where she has to deal with that singing in order to get what she wants.

Honestly, you can make a full game with this concept, and if you ever do go there I will happily come back to experience what you've made. You have a solid demo here, and I hope you consider expanding on it. Maybe work towards a Kickstarter, I don't know, but this is good enough I'm sure people will want to see more.

That all said, if you want to watch yet another guy play your game, here's my link: https://www.youtube.com/watch?v=TYA9ka3xqcA&lc