How to play the piano? By learning to play a piece, and another piece, and another piece...
And let your AHA moments enrich each piece, all pieces, daily life, whole life...
If you are like me - a piano teacher, adult restarter, or a piano lover in general; you might find some of my videos useful. I've made them to help myself, my students, and others in our piano/music study.
Here are some playlists with study notes in most of the videos:
Study on Bach's Music, his Family's and Contemporaries
Tutorial with no music sheet/with leadsheet/to write down ourselves