Home / Forums / Buying a melodica / Yamaha Pianica P-37E – My Report / Reply To: Yamaha Pianica P-37E – My Report Reply To: Yamaha Pianica P-37E – My Report November 17, 2018 at 2:36 pm #10467 DarenKeymaster I found the keyboard to be the same as the P37D, but the airflow more restricted – it takes a lot more breath.