Do note that you can’t detect bad technique over MIDI. Fingering, which finger goes over or under which other finger, posture, the angle you hold your hand, etc.<p>If you can afford it, take some lessons in-person!
It's been pointed out here a few times that piano keyboards depicted in User interfaces are mostly wrong. The common mistake is not having the key widths at the top be the same width. Just check out a real keyboard.<p>see
<a href="https://news.ycombinator.com/item?id=29941801#29943285" rel="nofollow">https://news.ycombinator.com/item?id=29941801#29943285</a>
Neat, but you should really have helped a different project if possible <a href="https://github.com/pianobooster/PianoBooster" rel="nofollow">https://github.com/pianobooster/PianoBooster</a> attack least make.it's clear why two exists if they are different