Very enjoyable. I love music-themed games, and we even built one ourselves for this gamejam, but I don't think I'm being biased when I say that this is a complete game. It has really nice art, really nice functional puzzles that will take as much time as needed as defined by your pitch. People with perfect pitch will be finding this a walk in the park I guess : D But you can definitely use this for pitch training as well. Great game, and a learning tool!