Home / Forums / General melodica discussion / Comparison: Horner Professional 36 – Clavietta – Hammond 44 HP – Yamaha P-37D / Reply To: Comparison: Horner Professional 36 – Clavietta – Hammond 44 HP – Yamaha P-37D Reply To: Comparison: Horner Professional 36 – Clavietta – Hammond 44 HP – Yamaha P-37D November 12, 2015 at 12:47 pm #6244 LowboyParticipant Hi Bruno, Very scientific and helpful comparison. This is just the type of thorough comparison that can help people definitively decide which melodica to buy. Regards, Lowboy