The story of the Variophone, which was capable to produce polyphonic, multitimbral artificial soundtracks by means of automated paper sound techniques as well as to simulate more subtle variations in rhythm such as rubato, developed by Evgeny Sholpo and Georgy Rimsky-Korsakov in Leningrad in 1931.

The story of the Ornamental and Paper Sound techniques, developed in the early 1930-s in the framework of the Graphical (Drawn) Sound technology of synthesizing sound from light that was developed in Soviet Russia and Germany as a consequence of the newly invented sound-on-film technology.

The story of ideas of the composer, theorist and adventurer Arseny Avraamov, who proposed in 1916 in the article ‘Upcoming Science of Music and the New Era in the History of Music’ many new approaches to musical theory as well as future techniques to synthesizing sound.

The story of Leon Theremin’s eavesdropping systems, developed in the 1940-s for KGB from the point of view of application of the spy technologies in art and music with the practical overview of all sorts of sensors and detectors to convert electromagnetic processes and light into sound.

The story of the Theremin, Terpsitone and Illumovox (1920-1930) – the world's first electronic musical instruments that could be played by tracking the human motion in the electromagnetic field of special antennae, linking the performer's plasticity and pitch and color of the light beam.