The answer is in the question. Style should determine a lot and voicing is going to work best with 'voice-leading' in mind.xtp wrote: how do you decide which hand plays which notes, is it a style thing, or is there some formality behind the choice, or would you vary it depending on what comes next -
The particular things you showed an image of might very well be handled the same by a pianist as a guitarist, depending.
the rote ideation of eg., an octave in the left hand for the putative 'bass' of the harmony may not be apt. Context and situation is crucial.