An educational film about machines that make music. From the dawn of the electric age to the Moog ("the Kleenex of synthesizers"), MiniMoog, DX7, and Korg 700. Inventors and musicians (Daniel Miller, Gary Numan, Erasure, Ultravox...) educate us about the oscillators that changed the world. A vital reflection on the transcendence of electronic music and its impact on music and our society today, told by the vital protagonists.