Joel Chadabe has been played on NTS shows including The Imaginary Music Radio Hour w/ Laura Steenberge, with A City Called Heaven first played on 12 September 2017.

Joel Chadabe (born 1938) is a composer, author, and internationally recognized pioneer in the development of interactive music systems. He earned a BA from the University of North Carolina at Chapel Hill, then earned his MM at Yale while studying under Elliott Carter. His students include Liz Phillips, Richard Lainhart, and David A. Jaffe.

He designed the CEMS (Coordinated Electronic Music Studio), built by Robert Moog, in 1967. He was the president of Intelligent Music, "one of…