Home / Forums / Vintage Melodicas / My new Pro36 / Reply To: My new Pro36 Reply To: My new Pro36 April 29, 2015 at 9:00 pm #4897 OfirParticipant Rephrasing: I suspect the key pads and not the glue between the reed plates, as a missing glue with perfect key pads should not leak air when no keys are pressed (air cannot escape).