Petersson took over on bass temporarily for Johnette in Concrete Blonde in a move to make her exclusively the vocalist. It didn't last long, but here's a clip with him - a rare bassist that uses a pick.
The summer of 1980, between my freshman year at the local community college and the Navy, I saw DM at a small club in Tampa. The stage looked like a Spanish plaza. A good show. Also the last time I've been to Tampa.