Home / Forums / Melodica technique / melodica tuned sharp / Reply To: melodica tuned sharp Reply To: melodica tuned sharp October 23, 2017 at 4:20 pm #9399 Alan BrintonParticipant Melodicas in general tend to be tuned sharp at the factory, so this is not unique to the Yamaha P-37D. Typical factory tuning is roughly to A=442 or even slightly higher. I now tune down to A=441 or 440.