The grand piano sounds in the Casio Privia PX 130 delivers an unprecedented level of realism and expression. For added realism, the Privia PX 130 simulates the sound of the open strings when the dampers are raised by the pedal using Acoustic Resonance DSP. The Privia PX 130 also has 128-note polyphony, enough horsepower for the most demanding musical passages and the ability to layer sounds and use the damper pedal without worry of dropped notes. Contains 60 Pre-Programmed Piano pieces from Classical Composers. Variety of Piano Teaching Books… Scores for Mozart Piano Concertos 20 & 21 for the experience pianist. Piano Score Book and Score Poster and User’s Guide Included.