April 1, 2013, marks the 140th anniversary of the birth of Russian composer Sergei Vasilievich Rachmaninoff. Widely considered one of the finest pianists of his day, Rachmaninoff was also one of the last great Romantic composers in Russian classical music. In spite of his accomplishments, Rachmaninoff was a target of harsh criticism from his musical peers and would eventually be labeled a "violent enemy of Soviet Russia." (13 PHOTOS)