DigiTech Vocalist Live 3-D Vocal-Harmony Effects Processor for Keyboard with MIDI 3-Part Harmonies using DigiTechs exclusive MusIQ Technology which analyzes the singers voice and adds the most musically correct harmonies. Real-Time Pitch Correction Gender Control for both Male and/or Female backing harmonies. 5 User Defined Voicing Patches MIDI In, Out/Thru