In another Topic (Buy and Sell Forum) discussion arose concerning ranges and keyboard layouts of various instruments in the 'English' concertina family.   To perhaps enlighten or confuse further, I have attached some information for consideration.   No information regarding Piccolo or Bass instruments has been included as both were made in a variety of ranges, number of keys etc. The inclusion of some, at this time, may not be useful. Maybe those that possess such instruments could post de