Thanks; I actually got a response from pianoleo here: Multiple Instruments = One Staff? - #9 by pianoleo It seems it’s not possible to do exactly what I want 
So I will use one of the workarounds with multiple staves…
Thanks; I actually got a response from pianoleo here: Multiple Instruments = One Staff? - #9 by pianoleo It seems it’s not possible to do exactly what I want So I will use one of the workarounds with multiple staves…