Scott L. Miller is known for his interactive electroacoustic chamber music, ecosystemic performance pieces, and use of the Kyma sound design environment in free improvisation. He is a Fulbright Scholar, has been a Lucas Arts Fellow, and twice been named a McKnight Composer Fellow. He is currently a Professor of Music at St. Cloud State University, Minnesota, and President of the Society for Electro-Acoustic Music in the U.S. (SEAMUS).

Mart Soo is Tallinn based guitarist, composer and improviser. In addition to guitar, he employs live electronics in the performance of free improvisation, jazz, and minimalist music. He composes for radio plays, theater, and film. Mart Soo has performed and collaborated with an impressive cast of international musicians at festivals throughout Europe, Japan, and the U.S. The musicians he has worked with represent a wide and diverse range of music styles - jazz, classical, non-Western, improvised, electro-acoustic, vocal: Fred Frith, Xavier Charles, Brian Melvin, Markus Reuter, Uchihashi Kazuhisa, Weekend Guitar Trio, Paul Lovens, Jean-Marc Montera, Vox Clamantis etc.

Under the name THREE FREE RADICALS Miller and Soo released digital album Diary of a Left- Handed Sleepwalker(Panoramic Recordings pan 04) in April 2016.

Improtest is concert series that brings improvisational music from local and foreign authors to local audience. The concerts have been taking place since 2005 once a month.