Alastair Macaulay: “Nobody can miss how vividly different its stage worlds are: the green romantic medieval French forest of ‘Emeralds’ (music by Fauré); the red Modernist high-energy American urban world of ‘Rubies’ (Stravinsky); the wintry white (both snowscape and palace) grand imperial Russian classicism of ‘Diamonds’ (Tchaikovsky). What other artist could conjure these three dissimilar realms with such easy mastery?”