The pieces Pictures at an Exhibition are composed by a Russian composer who belonged to this group known as what?
Pictures at an Exhibition (disambiguation) Pictures at an Exhibition is a suite of ten piano pieces composed by Modest Mussorgsky.
Alexander Kasyanov Aleksandr Aleksandrovich Kasyanov (Александр Александрович Касьянов; 17 August 1891 - Gorki 13 February 1982) was a Soviet Russian composer, conductor, pianist and professor. He received the Order of Lenin in 1967, Order of the October Revolution 1981, and People's Artist of the USSR 1971.