Yamaha EZ-250i Portatone Lighted Musical Keyboard Includes interactive software from Konami which plays songs and teaches musical skills like timing in game format YAMAHA Education Suite (Y.E.S.2) teaches timing and note ready using lights ? even grading your performance 80 built-in songs to learn, organized by degree of difficulty Built-in flash ROM allows downloads of new songs into the keyboard Plays any MIDI file using lighting system and interactive teaching system