Street Stage at Charlestown Navy Yard  Saturday, August 3, 3:30-5:30 PM  Rain Date: Sunday, August 4, 3:30 – 5:30 PM   Commandant’s House Lawn, Charlestown Navy Yard  23 2nd Ave, Boston, MA 02129  Performers: Chelsea Basler, soprano; Junhan Choi, baritone; Tristan Leung, pianist   FREE   REGISTER VIEW PLAYBILL   Boston Lyric Opera’s Street Stage visits the historic Charlestown Navy Yard for a memorable afternoon of virtuosic music, maritime history, and stunning Boston harbor views in partnership with the National Parks of Boston. From the lawn of the 1805 Commandant’s house, audiences can enjoy an open-air concert of [...]