JP.QToday I found myself annoyed at the traditional design of the piano keyboard. It makes tasks that should be straightforward, like transposing chords and melodies, take up a lot of effort, and it is hard to get a physical feel for each chord type -- one has to learn each chord _in each key_. So I ended up going on a rabbit hole learning about the Jankó keyboard design. Here is someone who got proficient at it demonstrating how it works:
