Roland Mc-307 Sequencer Dance Music Machine Groove Box Polyphony - 64 voices Oscillators - 16MB sounds comprising 800 dance-oriented synth and drum instruments Sequencer - Sequencer: 8-parts; 240 preset patterns, 470 RPS, 200 user; 50 songs; 40,000 notes memory Arpeggiator: 43 preset, 10 user patterns Drums - 40 Rhythm sets plus 20 user Effects - 33 types; 3 independent, synchronizable effects processors Memory - 800 presets plus 256 user Keyboard - 16 pads Control - MIDI Date Produced - 2000