Udo Kasemets (November 16, 1919 – January 19, 2014) was a Canadian composer of orchestral, chamber, vocal, piano and electroacoustic works.
He was one of the first composers to adopt the methods of John Cage, and was also a conductor, lecturer, pianist, organist, teacher and writer.
In 1950, he attended the Kranichstein Institut für neue Musik in Darmstadt, where he became familiar with the music and philosophies of Ernst Krenek, Hermann Scherchen and Edgard Varèse.
[2] In 1968, he directed the first Toronto Festival of Arts and Technology entitled SightSoundSystems and founded and edited a new music publication series, Canavangard.
[1] Other strong influences especially evident in his later work include the Chinese I Ching and fractal music.