Chaikovsky [Chighkóffsky] (Cajkovski, Chaykovsky, Ciaikovsky, Tchaikovsky, Tschaikowsky), Pyotr Il'ich (4–25/5–6–1840, settlement at Kamsko-Votkinsk factory, Vyatka distr. [now Votkinsk, Udmurt Republic]; 10–25/11–6–1893, P.). Comp., pedagogue, author, editor, and cond. One of the major Russian composers, Chaikovsky was active in nearly all musical fields. He wrote six symphonies, including the famous Sixth or Pathétique (1893); four suites; tone poems such as Romeo and Juliet (1869) and…