> Although I didn't keep up with all the simplifications so maybe that is already in here That one isn't there, because the original motivation of the post was

> Although I didn't keep up with all the simplifications so maybe that is already in here That one isn't there, because the original motivation of the post was trying to design a chord input system for an instrument. In which case I'm happy telling the instrument in advance "this next song is in Dm" but not changing that on the fly (hands are full)