Fritz Kreisler faked some old composers'---e.g. Vivaldi's---work, claiming to have discovered some unpublished manuscripts, but later revealed that they were hi

Fritz Kreisler faked some old composers'---e.g. Vivaldi's---work, claiming to have discovered some unpublished manuscripts, but later revealed that they were his own compositions all along. It was mostly a prank on the music industry, but nonetheless, mimicry of style was involved, and was enough to fool many people for years.