Complex sentence: Smirnov became a member of the Bolshoi company in Moscow, from 1904 to 1910, and then of the Imperial Opera, St Petersburg, from 1910 to 1917.
Split into simpler sentences: Smirnov became a member of the Bolshoi company in Moscow, singing there from 1904 to 1910. He then sang at the Imperial Opera, St Petersburg, from 1910 to 1917.