In July 2010, he performed as a featured electronic artist at Avantgarde Festival Schiphorst 2010 in Schiphorst, Germany.
Cawkwell and Leigh had released an album together, Upstream, and were booked to play the Avantgarde Festival (Schiphorst, Germany) in 2009 having previously toured Japan.
Other prominent names who joined TechBC later included Michael Gurstein, John Bowes, Steve diPaola, Thecla Schiphorst, Michael Dobson, Robert Woodbury and V-chip inventor Tim Collings.