76 piano-style keys with Graded Soft Touch (GST) action * Stylish walnut finish side panels * Large Wave ROM features new extra high quality Live! Grand Pianos * Front Panel USB slot for storage of external Songs and Styles * "Intellegent Arpeggiator" with 50 arpeggio types. * Intellegent Arpeggiator with 50 arpeggio types.