Home / Forums / Buying a melodica / Yamaha P37D vs Suzuki M37 / Reply To: Yamaha P37D vs Suzuki M37 Reply To: Yamaha P37D vs Suzuki M37 December 23, 2015 at 2:42 am #6599 Alan BrintonParticipant My final vote is for the Yamaha, which I do not think will disappoint. Some will find the Suzuki harsh in comparison. I’m a big Suzuki fan but think Yamaha is the safer bet if a choice between the two is necessary. If I could have only one melodica, it would be the Yamaha P-32D. P-37D if I had to have 36 or 37 keys. But why not both?