Home / Forums / General melodica discussion / Yamaha P-37ERD: some thoughts / Reply To: Yamaha P-37ERD: some thoughts Reply To: Yamaha P-37ERD: some thoughts October 9, 2021 at 9:55 am #13779 Rey FlorianParticipant Thx for the review. already owning the P37D, it made me want to try this new version. not easy to find on the internet but available at my local dealer so all is well. I would tell you my feelings.