Home / Forums / Melodica construction, repair and maintenance / Improving responsiveness of certain keys / Reply To: Improving responsiveness of certain keys Reply To: Improving responsiveness of certain keys April 21, 2014 at 2:42 pm #2121 Alan BrintonParticipant Thanks for following up on that, Benjamin. I’ve had a similar experience with a few keys on my Yamaha P-32F. But your earlier comments encouraged me to experiment a bit more with gapping, which is a good thing.