See also: Aleatoric boxes font
I use this in tandem with the suggestions in the video shared above by Christian, because there are aspects about it which I find a little quicker and easier to set up, once you learn the syntax. And from the video I use the suggestions mostly about the lines etc.
I look forward to native and officially designed support for aleatoric and cut away scores – I know the team hears about this one a lot so I look forward to whatever they cook up! 
