The Shadowland by Elizabeth Kostova. "This is a novel that goes back and forth between present day and the period  in Bulgaria during the Communist regime that came to power after WWII.  It's part mystery and part history and tells the story of a talented violinist and his family and what they face during this challenging period.  People may be familiar with the author, who also wrote The Historian.  I appreciated the good writing, the strong story, and learning about Bulgaria - a country I don't know much about."