In the 1980s, Schellenberg played keyboards and was the principal songwriter for the synth-pop band TBA,[2] along with Paul Hackney, Steven Bock and Andrew Zealley.
[2] After the departure of Hackney and Bock, Glen Binmore, Dianne Bos, and Brian Skol joined the band.
Side-projects included The Beds (with Tony Malone) and Anti-Normal (with Tim Guest, Massimo Agostinelli, and Billy Sutherland).
Schellenberg joined the faculty of the University of Windsor as an assistant professor in 1993, conducting research into the psychology of music.
During his sabbatical research leaves, Schellenberg had the opportunity to live and work in Sydney, Amsterdam, Berlin, Marseille, and Montpellier.