What nationality was the composer of the symphonic poem Prince Rostislav ?
Sergei Rachmaninoff Sergei Vasilievich Rachmaninoff (Russian: Серге́й Васи́льевич Рахма́нинов , "Sergey Vasilyevich Rakhmaninov"; ] ; 1 April [O.S. 20 March] 1873 28 March 1943) was a Russian virtuoso pianist, composer, and conductor of the late-Romantic period, some of whose works are among the most popular in the romantic repertoire.
Vladimir Rebikov Vladimir Ivanovich Rebikov (Russian: Влади́мир Ива́нович Ре́биков, "Vladi'mir Iva'novič Re'bikov" ; born May 31 [OS May 19] 1866 - Krasnoyarsk, Siberia, Russia — died October 1, 1920 - Yalta, Crimea, Ukraine) was a late romantic 20th-century Russian composer and pianist.