Roland BK-9 Backing Keyboard Flagship 76-note instrument with top-level sounds, industry-leading auto-accompaniment features, and a lightweight, mobile design Over 1,700 sounds and 70 drum kits, including 22 SuperNATURAL sounds and 500 all-new tones Legendary Virtual Tone Wheel organs, with dedicated harmonic bars for authentic vintage organ performance 540 rhythms (including 25 new rhythms), remastered for exceptional audio quality; over 1000 Music Assistants onboard Five independent multi-effects engines (MFX), plus dedicated mastering effects