Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Story of Ballet in Russia and 3 of the great Tchaikovsky Bal

For the advanced young reader; numerous b/w photos (many full-page) illustratate complete contents. ".included are the stories of the three great Tchaikovsky ballets--Swan Lake, The Sleeping Beauty, and The Nutcracker--with act-by-act synopses and little-known details for early as well as later performances. ..brief biography of Tchaikovsky. ..foreign ballet masters of the seventeenth, eighteenth, and nineteenth centruies, such as Lande, Didelot, Perrot, and Petipa, as well as the great native danacers and choreographers, Fokine, Nijinsky, Pavlova, and Balanchine."