Pyotr Ilyich Tchaikovsky (1840 - 1893) was a Russian composer of the Romantic era. His wide ranging output includes symphonies, operas, ballets, instrumental and chamber music and songs. He wrote some of the most popular concert and theatrical music in the classical repertoire, including the ballets Swan Lake, The Sleeping Beauty and The Nutcracker, the 1812 Overture, his First Piano Concerto, his last three numbered symphonies, and the opera Eugene Onegin.
Although perennially popular with concert audiences across the world, Tchaikovsky's music was often dismissed by critics in the early and mid-20th century as being vulgar and lacking in elevated thought. By the end of the 20th century, however, Tchaikovsky's status as a significant composer was generally regarded as secure.