All-in-one MIDI musical instrument with Arpeggiator and MIDI / MIDI Karaoke Player. Allows to play piano on PC keyboard, play with any MIDI file and sing at the same time. Works with any hardware or software synthesizer installed in your computer. Includes "basic" Java Soundbank, which can be easily upgraded to "deluxe" Soundbank. Easy to learn and use for inexperienced users and rich in features for advanced.