On another forum, a player was seeking recordings comparing the sound of traditional versus hybrid concertinas.  Since I was recording today for practice, I did the same tune - the 1908 English tune Tars of the Victory - twice, once on a Morse hybrid with accordion reeds, once on a Lachenal with excellent traditional reeds and Dipper mechanism.   I'm not sure how valuable the comparison is - as others have noted, the difference in sound between traditional and accordion reeds tends to