Casio CT-K651 61-Note Touch-Sensitive Portable Electronic Keyboard Selectable touch-sensitive keyboard with 61 full-size keys 2-song/6-track memory (5,200 notes) Create and store your own sounds with synthesizer function 200 tones, 8 drum sets, and proprietary reverb with 3 presets Mixer function, built-in metronome, and MIDI compatibility