You could write your notation in the melody line then mute all other tracks. That should give you what you are looking for. Or you could use RealBand and use notation to input your MIDI track and that would be the only track that you hear.

I hope this helps.

Whenever I get something stuck in the back of my throat, I dislodge it by drinking a beer.
It's called the Heineken Maneuver.

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware