switching between devices with a few buttons

Hi guys,
I’ve attached an image that would help understanding of what I am trying to do.

I wanna to switch between different style of piano and what I am looking for is …
I have mapped every device to on/off PAD but what I wanna do is the moment I press one specific pad the other devices turn off so that the only device that remains on would be the one assigned to that pad.

I hope that this makes sense.

I would much appreciate all the help.

Thanks!