This is a sneak preview of the upcoming Klee software sequencer, by Defective Records Software.

The software is generating MIDI signals that are routed to Ableton Live, which has two software synths loaded up on two different MIDI channels.

via dnigrin:

More information about this upcoming software is available on electro-music.com. More information, including free demo, will be available soon at http://defectiverecords.com.