Sergei Rachmaninoff (1873-1943) was a Russian composer, pianist, and conductor. He was born in Semyonovo, Russia, and studied music at the Moscow Conservatory. He served as conductor of various orchestras in Russia and Europe, and as a concert pianist.

Rachmaninoff composed many works for orchestra, choir, and other ensembles.
Some of his most well-known compositions include the four piano concertos, of which the 2nd and 3rd are most well-known. Some of his compositions have been transcribed for organ, such as his Vocalise, some preludes and L’Ile des morts from 1909.