A treasure trove of manuscripts, notebooks and recordings from the theatre legend has been acquired by the Library of Congress in Washington DC Mark Horowitz had done his homework before Stephen Sondheim came to visit. He filled the room with scores by Bartók, Brahms, Copland and Rachmaninoff; manuscripts in the hand of Bernstein and Rodgers and Hammerstein. "The last thing I brought him out was the manuscript for…
