Claim: The Variations on a Theme of Corelli were written in 1931 by Russian composer Sergei Rachmaninoff at his holiday home in Switzerland.
Evidence: Variations on a Theme of Corelli (Russian: Вариации на тему А. Корелли, Variatsii na temu A. Korelli), Op. 42, is set of variations for solo piano, written in 1931 by the Russian composer Sergei Rachmaninoff. He composed the variations at his holiday home in Switzerland.