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 11:25 am #9633 david billerParticipant In attempting the ”ping” test, the reed fell right off, right along the line I believed was a fracture. No snap whatsoever, just fell off like a leaf from a tree. So I guess I have my answer… now on to finding a replacement reed plate!