Nice! One suggestion: up/down keys for changing the selected note(s). Personally, the thing that I've never been satisfied with Sibelius (and others) is that I

Nice! One suggestion: up/down keys for changing the selected note(s). Personally, the thing that I've never been satisfied with Sibelius (and others) is that I have to use a mouse way too often to do things that could easily be accomplished with keystrokes. I want notating music to be more fluid, like programming…or playing piano–just pluck away as the ideas come. Good luck, the possibilites here are exciting.