Yamaha PSRS670 61-Key Keyboard Production Station w/Keyboard Stand & Bench 416 Voices (including MegaVoices), 34 Drum/SFX kits and 480 XG Voices New Intelligent Arpeggio function with instant access to a library of arpeggiated synth phrases and patterns 230 Styles including a brand new DJ category Two live controllers for instant control over effects and other functions, including filter, arpeggio and track mute Expansion Memory - add new Voices, drum kits and styles for extra versatility and enhanced performance