Home / Forums / Vintage Melodicas / Yamaha Pianica 32A / Reply To: Yamaha Pianica 32A Reply To: Yamaha Pianica 32A July 23, 2018 at 7:01 pm #10081 André Sant’AnnaParticipant All the white keys have a identification behind them, the name of the note ( c d e, etc) and a number that informs the octave. Some of them don’t, so i marked this ones (the c notes, for example, have the same identification, so I marked them). The black keys are interchangable. I didn’t notice any diference about their funcionality after assembled the Pianica. So I think everything is all right!