DC community calendar, May 1-8, 2014 Washington Post Pipe organ concert, Stephen Harouff performs works by J.S. Bach, Louis Vierne, Pierre Cochereau and others. 12:15-1 p.m., National City Christian Church, 5 Thomas Cir. NW. Free; donations welcome. 202-797-0103. Join the STEAM team, for ages 6-12 with ... |