Home / Forums / General melodica discussion / Fresh information about the Yamaha P37E ? / Reply To: Fresh information about the Yamaha P37E ? Reply To: Fresh information about the Yamaha P37E ? November 17, 2018 at 2:33 pm #10466 DarenKeymaster Hi Frederic, I’ve always favoured the P37D melodica over others, and did buy a P37E to try out, but don’t use it. I don’t find that they improve with use – mine seem to be at their best when the reeds are brand new