Yamaha's years of expertise in the manufacture of acoustic pianos has been used to create a keyboard that offers an exceptionally natural feel... the YDP-135R. It has a Graded Hammer action with keys that have a heavier touch in the low end and a lighter touch in the high end. It also features the Advance Wave Memory (AWM) Stereo Sampling system, a sampling system which recreates sounds close to that of an acoustic instrument. By using digital sampling and filtering technology to record a Yamaha Concert Grand piano, AWM delivers a high-quality, spacious, stereo grand piano sound. Other features that'll make you want to keep playing theYDP-135R which allows you hard, medium, soft settings to math your playing style or finger strength; a built-in soft, sostenuto, and damper pedals for completing your paino experience; a 1-track recorder; 50 preset piano songs; and its comact and stylish design that fits perfectly in a wide range of environments.