The orchestra will be performing “Shall We Dance” on Saturday, Dec. 1st at 7:30pm at St. Elizabeth Church in Rockville (917 Montrose Rd. between Rockville Pike and I-270).  The concert includes Tchaikovsky – Swan Lake Suite and Stravinsky – Petrouchka (1947 version).  Most members of the orchestra work at NIH, NASA, FDA and other government agencies.  [...]