Casio AP250 Celviano 88-Key Digital Piano with Bench - Oak Brown 18 high-quality tones including stereo-sampled grand piano tones Digital effects: reverb (4 types), chorus (4 types), brilliance, DSP (preset for some tones) Lesson feature using 60 Music Library songs plus 10 user loaded songs Duet Mode enabling two people to play in the same range Recorder: 2 tracks x 1 song, approximately 5,000 notes