Forgive the terrible playing, the first time using the keyboard and the new mixed reality app on the Meta Quest 3.
Decided it was time to learn something creative so treated myself to a Roland FP10 digital piano which has midi output and can connect to the Quest 3 running PianoVision mixed reality app to learn how to play the piano. https://www.pianovision.com/
This seems to be the ideal use of mixed reality and it will be interesting to see how things progress.