This is an incorrect tag for sona eact®, please update your tags. Sona Eact is Patrick Stevens, Patrick Stevens is Sona Eact. Who is remembering Sonar? Sonar was Patrick Stevens and Dirk Ivens. Both splitted off after many years of work together and Mr. Stevens released an album called "Hard Industrial Loop Check" in 1998 under the name of Sona Eact.
Patrick Stevens is also founder of Hypnoskull and Tunnel, both under the Label Ant-Zen.