The pieces Pictures at an Exhibition are composed by a Russian composer who belonged to this group known as what?
Modest Mussorgsky Modest Petrovich Mussorgsky (Russian: Моде́ст Петро́вич Му́соргский ; ] ; 21 March [O.S. 9 March] 1839 – 28 March [O.S. 16 March] 1881 ) was a Russian composer, one of the group known as "The Five". He was an innovator of Russian music in the romantic period. He strove to achieve a uniquely Russian musical identity, often in deliberate defiance of the established conventions of Western music.
Sergei Lyapunov Sergei Mikhailovich Lyapunov (or Liapunov; Russian: Серге́й Миха́йлович Ляпуно́в , ] ; 30 November [O.S. 18 November] 1859 8 November 1924) was a Russian composer and pianist.