Yamaha DGX-500 First of all NO SEAT, MISSING MUSIC REST AND PEDAL. Easily found in ebay for $15 Works perfect..touch response, all functions work.. has some minor scraches nothing too bad and nothing that effects play. Works 100% perfect you can try it before you buy it. Seat is not included. Amazing sounds and an extensive sequencer for saving your songs. Fantastic acoustic piano tone with one-button access! 88 piano-size, box-style, touch-sensitive keys provide a comfortable feel for expressive playing. A 3.5" floppy disk drive reads and writes standard MIDI files, Disc Orchestra Collection, and Yamaha-style files. Write your own songs in SMFO format. Interactive Yamaha Education Suite II with grading function and 100 built-in songs. 619 instrument voices including stereo-sampled piano sounds. 135 accompaniment styles. 8MB ROM. Onboard song sequencer records up to 5 songs with 6 tracks each. General MIDI provides computer connectivity. 32-note polyphony. 12 drum kits for creating rhythm tracks. Stereo 2-way speakers with bass ports create dynamic sound.