The Wednesday night you refered to is both a class and jam. There is a class to begin with and a jam that follows. The class is good because they introduce a lot of songs. The info is;

Every Wednesday
Vancouver, WA Steeplegrass Bluegrass Classes
at Steeple Center.
7pm
Instructor Chick Rose (503) 231-0312; or Nadine Swanson (360) 695-l830

Margo