Korg EX-800 – Part 1 – Oscillators

New video up :)

This one covers the oscillators (DCOs) in the Korg EX-800 (which are also the same in the Poly-800). They are interesting in that they only produce square waves. However, they have this neat trick where they can produce a special waveform called a step wave.

Watch the video to find out how …

Roland JD-Xi Firmware 1.5 Interactive Chord – External Gear!

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This video shows how to use the interactive chord feature on the JD-Xi with external gear. The feature is able to transpose sequences via the root note of a chord.

See video description for more info :)

UPDATED firmware!

Roland have released a small fix for the Interactive Chord feature:


Many users were complaining there was some weirdness happening with the chord if a root note other than “C” was used. This is the fix for this bug.

Live Jam – Roland JD-XI, System-8 and more!

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This jam features the interactive chord setting on the JD-Xi which is able to transpose a sequence from the root note of a chord – and it can do it to external gear via MIDI!

Gear used for the geeks:

  • Roland System-8
  • Roland System-1
  • Roland JD-Xi
  • Roland MX-1
  • Roland TR-8
  • Korg Minilogue
  • Korg Electribe ER-1
  • Waldorf Streichfett
  • Strymon BigSky
  • EHX Small Stone
  • Lexicon MX-200