Boris Godunov (opera) fought an often losing battle against the conservatism of conductors and singers, who, raised on the plush Rimsky-Korsakov edition, found it impossible to adapt to Mussorgsky's comparatively unrefined and bleak original scores. Recently, however, a new appreciation for the rugged individuality of Mussorgsky's style has resulted in increasing performances and recording of his original versions. Musicologist Gerald Abraham wrote: For many, "Boris Godunov" is the greatest of all Russian operas because of its originality, drama, and characterization, regardless of any cosmetic imperfections it may possess. Models and influences A conflation of the 1869 and 1872 versions is often made when
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