A little while ago I acquired a large 40 key English concertina, which apperared to have been originally pitched somewhere between bass and baritone. A previous owner had started some dastardly modifications to the reedpan which rendered it unlikely to ever be reinstated in its original form. In the fullness of time I intend to make new ends and reedpan in anglo format.   In all there were 80 reeds, some in the reedpan, others separately bagged.  In the upper register, they are all con