Boris Godunov wrote incidental music for Pushkin's drama. In 1997, the score of a 1710 baroque opera based on the reign of Boris by German composer Johann Mattheson was rediscovered in Armenia and returned to Hamburg, Germany. This opera, never performed during the composer's lifetime, had its world premiere in 2005 at the Boston Early Music Festival & Exhibition. Boris was portrayed on BBC Radio 4 by Shaun Dooley in the radio plays "Ivan the Terrible: Absolute Power" and "Boris Godunov: Ghosts" written by Mike Walker and which were the first two plays in the first series of "Tsar". The plays were
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