Modest Mussorgsky wrote a number of different versions of this pieces of music. When he was finally satisfied with it, his music teacher told him it wasn't good enough so he put it aside for years.

Modest Mussorgsky was a composer close composerA person who writes music. from Russia. He was born in 1839 and died in 1881. One of his most famous pieces is called 'Pictures at an Art Exhibition'.