Most of the people in the crowded bar at the Gettysburg hotel late on an April evening had zero idea when the music started playing that this was Jay Unger and Molly Mason performing their Ashokan Farewell as they had for the Ken Burns Civil War series so long ago. Many could not even hear the music because it was a busy evening during the Gettysburg Film Festival and the performance was 100% impromptu. Others had no idea that that was Martin Sheen and Sam Waterston sitting right next to Jay. as