Musician and electrical engineer, Mario Guida is an italian sound works composer from Bologna, exclusively electronic templates, tools and technology languages user. His own sound language basically is formed by a connection between improvisation and real-time manipulation of sounds and analog and digital algorithmics musical structures as introspective environment. Since 2009, Mario Guida collaborates with the “Collective Imaginary” theater artists group, producing opera soundtracks that allow him to explore relationship between text, dance and real-time manipulation of sound materials. He works as Creative Coder overseeing the hardware and software implementation for multimedia art installations, and, as teacher, training courses for learning art languages, technologies and multimedia interactive. “FlussoSottile” is an electronic music work composed with the intention to tell an imaginary story with the evolution marked by starting, ending points and the five title tracks. As the listeners are free to imagine and to build own mind narrative way, the composer/performer, in every performance, transforms and shapes the sound material just building musical architecture impro for the “FlussoSottile” project that moves on a limit-range imaginary track between “History of the Sounds” and “Sounds of Story”, unpredictable and completely non-linear.