Boris Godunov (opera) Boris Godunov (opera) Boris Godunov (, "Borís Godunóv") is an opera by Modest Mussorgsky (1839–1881). The work was composed between 1868 and 1873 in Saint Petersburg, Russia. It is Mussorgsky's only completed opera and is considered his masterpiece. Its subjects are the Russian ruler Boris Godunov, who reigned as Tsar (1598 to 1605) during the Time of Troubles, and his nemesis, the False Dmitriy (reigned 1605 to 1606). The Russian-language libretto was written by the composer, and is based on the drama "Boris Godunov" by Aleksandr Pushkin, and, in the Revised Version of 1872, on Nikolay Karamzin's "History of the
Boris Godunov (opera) finished in 1872 (vocal score, 14 December 1871; full score 23 June 1872), and submitted to the Imperial Theatres in the autumn. Most Mussorgsky biographers claim that the directorate of the Imperial Theatres also rejected the revised version of "Boris Godunov", even providing a date: 6 May 1872 (Calvocoressi), or 29 October 1872 (Lloyd-Jones). Recent researchers point out that there is insufficient evidence to support this claim, emphasizing that in his revision Mussorgsky had rectified the only objection the directorate is known to have made. In any case, Mussorgsky's friends took matters into their own hands, arranging the performance of