Home / Forums / Buying a melodica / Upgrade from Walther P/U 10 / Reply To: Upgrade from Walther P/U 10 Reply To: Upgrade from Walther P/U 10 February 26, 2017 at 2:55 pm #8315 Alan BrintonParticipant I’m with Daren on the Yamaha for the kind of sound you want, Lukas. You will notice a huge difference. It or either of the Suzukis will hold its tuning as well as can be expected.