Plagiat, c’est la troisième voie de garage du rap game.
Firstly really “bizarre”:
It’s a 13min clip, so take your time 
spoiler: my favorite is at 10:30
Secondly open source
Music and vids are made with FOSS
They also develop Openstage Control, an awesome toolkit for OSC/midi control interface building.
A demo app made with OpenStageControl for controlling ardour mixer stage:
or a midi sequencer: seq192
MIDI sequencer based on seq24 with less features and more swag.
Less features
No song editor
No keyboard controls
No midi controls
Linux only
More swag
Interface rewritten with GTK3
OSC controls
almost 192 patterns per set
and 4/5/6th … a midi looper: loop192
Minimal MIDI live looper that works like sooperlooper but with MIDI instead of audio.
They are from Caen, France.