Sergei Rachmaninov Sergei Vasilyevich Rachmaninoff[a][b] (1 April [O.S. 20 March] 1873[c][d] – 28 March 1943) was a Russian composer, virtuoso pianist, and conductor of the late Romantic period. The influence of Tchaikovsky, Rimsky-korsakov, Balakirev, Mussorgsky, and other Russian composers is seen in his early works, later giving way to a personal style notable for song-like melodicism, expres..