“Reformation 2017: Reform/Revolt,” featuring J.S. Bach’s Ein feste Burg ist unser Gott, BWV 80; and songs of revolution and reform from across the globe, will be in October at Bucknell University. The concert is October 20 at the Weis Center starting at 6:30 p.m. with a pre-concert lecture and the actual concert starting at 7:30 p.m.  This event is free and open to the public.