YPT300 Portable Keyboard Keyboard/Polyphony - 61 regular-sized touch sensitive keys and 32-note polyphony. Voices - 482 high-quality instrument Voices (108 panel Voices, 361 XGlite Voices, 12 Drum Kits and Sound Effect Kit) and 106 accompaniment Styles Two-track Easy Recording - Record and save up to five of your original songs - great for composing and practicing. Maximum number of notes - approximately 10,000 (when only melody tracks are recorded) Maximum number of chords - approximately 5,500 (when only chord tracks are recorded) Portable Grand button - Instantly call up Yamaha's world famous grand piano sound Yamaha Education Suite 5 - Fifth version of the acclaimed Yamaha intuitive tutorial system. Y.E.S. 5 features make learning and practicing music easier and more fun than ever before with 102 built-in songs