Watch Ben Folds and Regina Spektor Perform Their Hamilton Mixtape Song "Dear Theodosia" with the National Symphony Orchestra

Regina Spektor and Ben Folds were joined by the National Symphony Orchestra in a performance of their Hamilton Mixtape song "Dear Theodosia." The performance was part of the National Symphony Orchestra's DECLASSIFIED series, which featured NSO Artistic Advisor Ben Folds joined by Regina Spektor, as well as dancer and choreographer Caleb Teicher. "There's…