Interesting idea: engaging parents to help motivate their kids in school. It includes several of sources of "intrinsic motivation": curiosity, challenge, context, and motivation. I would be interested in seeing a more independent assessment on how successful this system is.

I wonder if the instant feedback and scoring feature helps these kids go into a state of flow more easily while learning an instrument. The experience provides the beginner with all the requirements for flow: clear goals, right level of challenge, and instant feedback