Rhythmicon References Rhythmicon musical instrument Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Henry Cowell…Leon Theremin, Cowell built the Rhythmicon, an electronic instrument that could produce 16 different simultaneous rhythms, and he composed Rhythmicana (1931; first performed 1971), a work specifically written for the instrument. Read More…Leon Theremin, Cowell built the Rhythmicon, an electronic instrument that could produce 16 different simultaneous rhythms, and he composed Rhythmicana (1931; first performed 1971), a work specifically written for the instrument. Read More