Yamaha PSR-S770 61-Key Arranger Workstation Keyboard + Knox Z-Style Electronic Keyboard Stand + Bench 830 Voices, including Super Articulation Voices and Organ flutes, 36 Drum/SFX kits, and 480 XG Voices 360 Styles, including all-new DJ styles Mic/Guitar input for use when singing or collaborating with other performers New Arpeggio function for instant access to a library of arpeggiated synth phrases and more Authentic Voices and Styles from around the world