Home / Forums / Melodica construction, repair and maintenance / Pitch and temperament / Reply To: Pitch and temperament Reply To: Pitch and temperament July 17, 2014 at 4:27 pm #2796 WeiyanParticipant The most difficult part in tuning is it can be tested after assembly. The picture may use a microphone to pick up while clicking the reed. Will spell some time to test if the frequency is consistency with blowing the assembled melodica.