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 Key Performer by GSi is a Virtual Instrument Audio Plugin. It functions as a VST Plugin and an Audio Units Plugin.
Key Performer
Product Key Performer
Developer GSi
Price (MSRP)
Type / Tags Piano / KeysElectric PianoPiano / KeysSynth (Physical Modeling)
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
Downloads Released
Downloads Released
Miscellaneous Information
Copy ProtectionSerial Number

GSi describes Key Performer as "the Swiss Army knife of the modern gigging keyboardist". It's a single software instrument which offers a wide variety of keyboard sounds that are used in almost all musical genres where a keyboardist is involved.

To summarize a few of its key features, it offers:

  • Several classic keyboard sounds including pianos, electric pianos, synths, organs, etc.
  • A sample playback section (aka "ROMpler") with "adaptive playback".
  • A physical modeling classic Electric Piano.
  • A physical modeling "Wurly" piano.
  • A phase modulation synthesizer for the famous DX Piano.
  • A Virtual Analog polyphonic synthesizer.
  • A Virtual Tonewheel Organ with rotary speaker effect.
  • Two effect slots with all the most famous effects.
  • An AMP simulation section with overdrive.
  • A global Reverb effect.
  • 64 Programs per bank, 9 snapshots for organ sections and 9 for VA synth.
  • Full MIDI implementation.
  • Easy MIDI Learn.
  • Huge efficiency with very low CPU power requirements.
  • Simplicity of use: "Versatility, Stability, Expandability, Authenticity".
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