Only one was an ENGLISH Concertina, people are comparing apples and oranges here.
Or are we saying that all music ever written belongs to the person who invented the musical scale on which they are based?
After all, you only need to change about every fourth note of a song, to copyright it in your own name as a new composition.
Anyway once again a thread has been side tracked, another thread should be started to discuss the merits and demerits of concertinas.

G