Hammerstein directed the New York City Opera production of The Sound of Music in 1990.Rockwell, John. "Review/Music; 'Sound of Music' Takes On The Icons of a Heroic Past", The New York Times, March 9, 1990, Section C; p.3 He co-directed the Rodgers and Hammerstein stage musical State Fair in 1996.Canby, Vincent. "Theater Review.Farm-Family Values of Mid-40's Iowa" The New York Times, March 28, 1996 Among the other Rodgers and Hammerstein musicals he directed were Oklahoma! (London and Australia), The King and I (Tel Aviv, US and UK tours), and Carousel."Biographies" rnh.com, accessed May 24, 2012
