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 18, 2015 at 6:09 pm #6429 Bruno TraviParticipant I think the same Lowboy, for that my next review will be about a Yamaha P37D modified version with wooden case and finishing as the Vibrandoneon. We’ll see how far he can get the Yamaha !!