Home / Forums / General melodica discussion / Sound Test Hohner Professional 36 & Wooden Yamaha P-37D / Reply To: Sound Test Hohner Professional 36 & Wooden Yamaha P-37D Reply To: Sound Test Hohner Professional 36 & Wooden Yamaha P-37D July 7, 2016 at 3:36 pm #7365 Bruno TraviParticipant I want to try with harder wood, I think this may increase the mid frequencies (800 Hz around) and attenuate the high: Daaaark Siiiide… Sorry ! Daaaark Sooooound !!