Home / Forums / Melodica construction, repair and maintenance / Possible New Technque for Tuning / Reply To: Possible New Technque for Tuning Reply To: Possible New Technque for Tuning January 14, 2016 at 9:50 pm #6732 KevinParticipant Lowboy, Somewhere I have read (tried to find it again) that pump organ manufactures tuned their reeds sharp because they knew after being seated and under pressure they would play flat. I don’t know if this is the case with accordion and harmonicas? But it does seem the case with the new melodicas I buy they are sharp rather than flat? I assume that pitch pipe builders get their reeds exactly right? How hard can it be?