Ballet (music) of Tchaikovsky's "Swan Lake" after the composer's death. In many cases ballets were still short scenes within operas, to enable scenery or costume changes. Perhaps the best-known example of ballet music that is part of an opera is the "Dance of the Hours" from Amilcare Ponchielli's opera "La Gioconda" (1876). There was a violent change in mood when Igor Stravinsky's ballet "The Rite of Spring" (1913) was performed. The music was modernist and dissonant, and the movements were highly stylized. In 1924 George Antheil wrote "Ballet Mécanique," which was actually for a film of moving objects, not for dancers, but
The Rite of Spring a series of flute trills that usher in the "Spring Rounds", in which a slow and laborious theme gradually rises to a dissonant fortissimo, a "ghastly caricature" of the episode's main tune. Brass and percussion predominate as the "Ritual of the Rival Tribes" begins. A tune emerges on tenor and bass tubas, leading after much repetition to the entry of the Sage's procession. The music then comes to a virtual halt, "bleached free of colour" (Hill), as the Sage blesses the earth. The "Dance of the Earth" then begins, bringing Part I to a close in a series of phrases