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 11:16 am #7379 DarenKeymaster It looks like its all wood to me Alan. Here’s the pics for easy comparison: Very similar construction design to the one I made out of ply wood: