Birkey's Brain and the Building Bridges Choir 00 COMPASS Saturday, Nov. 19 at 7 p.m. Monday, Nov. 21 at Noon Gus [ Pioneer PBS 800-726-3178 pioneer.org Birkey's Brain and the Building Bridges Choir 00 COMPASS Saturday , Nov. 19 at 7 p.m. Monday , Nov. 21 at Noon Gus [ Pioneer PBS 800-726-3178 pioneer.org