The Concertina
Posted: 12 Aug 2019 15:36
If you really want to confuse yourself try the concertina. EVERY one has a different button arrangement. This one is an English one I think.
http://www.tierce-de-picardie.co.uk/
http://www.tierce-de-picardie.co.uk/viewtopic.php?f=450&t=7926