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 2:31 pm #9635 DarenKeymaster How old’s your instrument David? A fractured reed should be covered by the warranty