Home / Forums / Vintage Melodicas / My "New" Hohner-Soprano.. / Reply To: My "New" Hohner-Soprano.. Reply To: My "New" Hohner-Soprano.. November 20, 2018 at 9:22 pm #10520 Alan BrintonParticipant These (including a “student” model) were made well into the 1970s with little or no change in the design. Other later models all have piano style keys.