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Session Keys Upright

Piano Plugin by e-instruments
Session Keys Upright
Session Keys Upright
Session Keys Upright by e-instruments is a Virtual Instrument Audio Plugin and a Standalone Application and Soundware (samples or presets that load into other products) for macOS and Windows. It includes, and is therefore "powered by", Kontakt Player, which functions as a VST Plugin, an Audio Units Plugin, an AAX Plugin and a Standalone Application.
The OS and Format icons below are for the latest version of Kontakt Player. The version numbers are for Session Keys Upright.
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Session Keys has been created with the philosophy that the best piano is the one that suits the music you are making. Sometimes you need a grand piano and at other times an upright fits better.

Session Keys Upright works well in pop, rock but is equally at home in hip-hop and scoring, cutting through the mix with clear tones and stacks of personality.

Dual Sound Universe

Select from two distinctive sample sets, each with its own look, feel and sound identity.
"Open" is characterized by spatial stereo sound with individual notes meticulously detuned, creating a chorus-like effect when combined.
"Closed" is for musicians demanding a modern, intimate and perfectly tuned piano for their tracks – direct, focused and edgy.


This stylish pentagonal controller makes Session Keys Upright more than just a great piano. Not only is it beautifully designed, but it's a phenomenally powerful tool, able to transform the whole sound from normal piano to eerie atmospheres to pure mechanical sounds and back.
Instant flexible control in a single knob.


The sound of ideas coming to life: the Animator offers an intuitive and inspiring way to jam with more than 400 flexible piano phrases that follow your harmonies. Use the pitch bend and modulation wheels to increase or decrease complexity and control the dynamic of your session partner.

Smart Chord

Stuck in a black hole of inspiration and need some suitable chord changes? Full chords or Animator riffs can be played via either the pad controller or single keys. Just set the key of your song and let Smart Chord Mode create the chords.

NKS Integration

Session Keys Upright is fully compatible with the Native Instruments NKS protocol, providing tight integration with Komplete Kontrol keyboards including optimal parameter assignment and Light Guide feedback.


  • Modern upright piano.
  • Two separate sound banks: Open and Closed.
  • Pentamorph sound control to transform the whole sound with a single knob.
  • Animator with more than 400 flexible piano phrases.
  • Smart Chord function to create instant piano chords from single keys or pads.
  • Native Instruments NKS compatible.
  • Size: 40 GB / 20 GB (lossless sample compression).
  • 24-bit, 44.1 kHz.
  • Requires free Kontakt 5 Player or Kontakt 5 Version 5.6.8 or higher.
  • Windows 7, 8.1 or 10 (latest Service Pack, 32/64-bit) Intel Core 2 Duo or AMD Athlon 64 X2, 4 GB RAM.
  • Mac OS X 10.10, 10.11 oder 10.12 (latest update) Intel Core 2 Duo, 4 GB RAM.

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