KORG Prophecy. monophonic solo/lead synthesizer from 1995. DSP based. 4 LFOs, 30 Waveforms, Real-Time Modulation, 0-60Hz, Resonant Low/Hi/Band/Notch Filter, 4 VCA envelopes, 37 keys with velocity and aftertouch, and programmable arpeggiator. as used by The Prodigy, Rick Wakeman, Depeche Mode and more.