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 24, 2015 at 4:05 pm #6464 DarenKeymaster Great video Bruno! Fantastic detail. Looking forward to hearing your P37D with wooden casing – I knocked up a quick case around a P32D to see what it sounds like…