So I know the shortcut is alt + arrow up/down, but is there a way to set it so that just the up or down arrows themselves move notes up and down chromatically? I think I’d much rather use one hand at a time for that and speed up that process personally, rather than the arrows being used to switch between players.
I read somewhere to go to preferences, then key commands, but I don’t know where to go in key commands after that to assign shortcuts. Any help would be appreciated.
The default key commands are Alt/Opt-up or down to transpose by staff position, and Shift-Alt/Opt-up or down to transpose chromatically (that is, by octave division of the current tonality system).
If you definitely want to change these key commands (knowing of course that Dorico has them set up to be internally consistent in that arrow keys are used for navigation in all directions) you can do so in Preferences > Key Commands and search for “Pitch”, they’re under Note Editing.