Touch Bar Nyancat - Nyancat on your MacBook Pro's Touch Bar #innovation
Pianu - Learn to play the piano in your browser.
My TouchBar My Rules (MTMR) - Customize your touch bar as you want it
Flowkey - The easiest way to learn piano with your iPhone or iPad
Touch Bar Simulator - The macOS Touch Bar Simulator as a standalone app
Joytunes - Learn music through mobile games