Yamaha MOTIF RACK XS 1U Motif XS Tone Generator Wide range of dynamic and authentic Voices - total of 1,152 Voices and 65 Drum Kits Powerful Arpeggio function - simultaneous playback of four types, total 6,633 available Five real-time Control Knobs, for adjusting the sound as you perform or record Convenient, intuitive editing of all settings from computer with MOTIF-RACK XS Editor Full integration with the popular Cubase series audio/MIDI recording software