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HoRNet releases SongKey MK4 - key chord and tempo detection tool


HoRNet Plugins has released SongKey MK4.

This brand new version of the key, chords and tempo detection tool comes with improved detection and performance, a brand new keyboard view and a new stand alone app that can control other devices and DAW using MIDI clock.


  • Artificial Intelligence driven key identification that follow key changes.
  • Realtime audio and MIDI chord detection.
  • Confidence display for each found key.
  • Key and Chord chromagram that shows each note level.
  • Key and Chord piano roll view to see which notes are active.
  • Sample mode for short sounds analysis.
  • Realtime tempo detection.
  • MIDI output of detected chords.
  • Stand alone App for both Mac and Windows.
  • MIDI clock output (in the stand alone App).
  • Sharp and Flat notation.
  • Resizable vector GUI.
  • Hardware accelerated GUI.
  • Apple M1 support.
  • MacOS (10.11 and later) and Windows (7 and later, OpenGL 2.1 required) support.
  • 64-bit only plugins for macOS and Windows.
  • Audio Units, VST, VST3 and AAX format.

SongKey MK4 is available for 13,99€. Owners of any other version of SongKey can upgrade for 2,99€.



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