A downloadable audio plugin for Windows, macOS, and Linux

Buy Now$79.00 USD or more

OneTrick KEYS

A physically modeled piano synth with a chill lo-fi sound. It uses a vintage algorithm developed at Stanford in 1995 called "Commuted Piano Synthesis", and runs that through studio reverb, vinyl or tape noise, flutter, bitcrushing, and saturation. Drop [OT] KEYS into your chillhop beats and hiphop tracks and ditch the samples.


  • 25 factory presets
  • 16 voice polyphony
  • Simulated vinyl or tape noise
  • Flutter controls
  • Studio reverb and saturation
  • Lo-fi bitcrusher
  • Preset browser with tags and editing
  • Sustain and Sostenuto pedal support
  • Nondestructive modulation (CLAP only)
  • All parameters are automatable
  • No telemetry or analytics
  • No DRM
  • Open source to inspect, learn from, adapt, and improve




Linux (x86_64), Windows (x64), macOS (Universal)

Requires OpenGL 2.0 or above

Sound Samples & Source Code

Please visit the [OT] KEYS homepage.


Buy Now$79.00 USD or more

In order to download this audio plugin you must purchase it at or above the minimum price of $79 USD. You will get access to the following files:

OneTrickKEYS-Linux-v1.0.0.run.zip 16 MB
OneTrickKEYS-Windows-v1.0.0.exe 28 MB
OneTrickKEYS-macOS-v1.0.0.pkg 14 MB
OneTrickKEYS-v1.0.0.zip 24 MB