There are at least 13 artists with the name Arc 0. A heavy/melodic prog band from the UK who released the critically acclaimed album At This in 1971. 1. The most profilic would be the Toronto-based experimental ambient trio of Aidan Baker (Nadja) (guitars, woodwinds, voices), Richard Baker (drumset, emboura, percussion), and Christopher Kukiel (djembe, tabla, dumbec, percussion). Over 14 releases are out. 2. Nu Jazz duo Dean Smith and Darren Knott