candidate: Pyotr Ilyich Tchaikovsky ( 1840–1893 ) , influential Romantic composer , famous for his ballets ( " The Nutcracker " , " Swan Lake " ) , his " Romeo and Juliet Overture – Fantasy " , " 1812 Overture " and his later symphonies ( # 4#6 ) Alexander Tcherepnin ( 1899–1977 ) , composer and pianist , invented his own harmonic languages , including the " Tcherepnin scale " .