Home / Forums / Buying a melodica / Yamaha P37D vs Suzuki M37 / Reply To: Yamaha P37D vs Suzuki M37 Reply To: Yamaha P37D vs Suzuki M37 August 24, 2017 at 9:20 pm #9192 KevinParticipant Just to chime in. I’ve returned several melodicas to Amazon over the years both sold by Amazon and fulfilled by Amazon and I’ve never had any trouble or hassle.