Home / Forums / Vintage Melodicas / Yamaha Pianica 36, P-36 / Reply To: Yamaha Pianica 36, P-36 Reply To: Yamaha Pianica 36, P-36 October 28, 2015 at 4:18 pm #6180 DarenKeymaster Great photos here Alan. Especially the valve mechanism. What a strange foresight to not be able to get to the reeds. I presume they’re not single reeds in there like the Pro36?