Does this help?

http://books.google.co.uk/books?id=4YWhTstzgNsC&lpg=PA157&ots=Hxthzvgtzt&dq=circassian%20accordion&pg=PA157#v=onepage&q=circassian%20accordion&f=false

(Kari S. Neely: Diasporic Representations: A Study of Circassian and Armenian Identities in Greater Syria, page 157 onwards)

There has got to be some Italian folklore about the organetto but I can't find it.