Recordings from 3 days of live performances in May, 1984 at the Institut de Recherche et de Coordination Acoustique/Musique (IRCAM) in France, using AACM legend and computer music innovator George Lewis' interactive virtual improvisor sytem Rainbow Family in virtual duo, trio and quartet settings with Douglas Ewart, Joelle Leandre, Derek Bailey & Steve Lacy.

Since 2015 Chicago's Experimental Sound Studio has hosted a series of concert followed by a discussion with the artist, with funding for the series assisted by Corbett vs. Dempsey; this CD collects recordings from the last year, including Susan Alcorn, Gerry Hemingway, Greg Kelley, Kris Davis, Wayne Horvitz, Ingrid Laubrock, LaDonna Smith, Sandy Ewen, Douglas Ewart, &c &c.