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 10, 2016 at 4:37 pm #7384 Bruno TraviParticipant Hi Daren, I’ll use corksheet to emulate a hardwood, which have higher density. I hope that this will reduce the high frequencies.