Home / Forums / Melodica construction, repair and maintenance / Cause of failed note on Yamaha P37D?? / Reply To: Cause of failed note on Yamaha P37D?? Reply To: Cause of failed note on Yamaha P37D?? January 23, 2018 at 7:29 pm #9646 Alan BrintonParticipant I’m adding “reed plate” and “reed replacement” to the tags so this info will be easier to find here.