This video, via JoeLMutantE, is a teaser/demo for the Akira Kurosawa’s Seven Samurai x0xb0x special tribute edition:
Here are seven x0xb0x made with full audio analog modifications. They have an outstanding sound capabilities, not only clonning the original Roland TB303 sound, even adding more powerful sound mods.
Totally hand made and with the name of each samurai engraved on it. Very limited edition of very powerful analog synth.
Demos of the complete Seven Samurai x0xb0x set at his YouTube page.