Romeo and Juliet (Russian: Ромео и Джульетта, romanized: Romeo i Dzhulyetta), Op. 64, is a ballet by Sergei Prokofiev based on William Shakespeare's play Romeo and Juliet. First composed in 1935, it was substantially revised for its Soviet premiere in early 1940. Prokofiev made from the ballet three orchestral suites and a suite for solo piano.