After several years of being concertinaless, I just picked up an old metal ended Italian labeled "Regoletta" but substansially a Stagi/Bastari type instrument. Like any of these, it has some problems with sticking buttons. I pulled the screws, but can't get anything to move. I'm sure there is a "trick" to getting the cover plate off without trashing it. Can anyone give me some direction?
Thanks
Paddy