I think this is a great idea - music uses the other side of the brain, and to "hear" any language that way will help show nuances.
I just think your sentences are too long.
Keep them short and obvious.
Imperative, declarative, interrogative, exclamatory - all can be demonstrated by sound!
What is your name?
My name is John.
His name is John.
His name is John!
- For Teachers