The Rhythmicon was publicly premiered January 19, 1932 by Cowell and fellow music educator and theorist Joseph Schillinger at the New School for Social Research in New York [REF].
On May 15, 1932, a New Music Society concert in San Francisco[REF] included - along with the premiere of Xanadu, a new work by Mildred Couper - a demonstration of Cowell's new instrument.