Incredible the manufacturers ketron, deceitful, in order that the drum ins has the ketron audya if later they do not do anything, I go years waiting to do drum ins and it does not answer they nor do anything, the keyboards Yamaha korg it can do and ketron not, that sad, the usuario estan complaining and with many reason, a keyboard since it sounds is with samples, since you can do battery to the taste of the user with qualit samples