Lisa Batiashvili’s summer concerts begin this week with a return visit to Chicago Symphony Orchestra, where she performs Chausson’s Poème and the Introduction and Rondo Capriccioso by Saint-Saëns. James Gaffigan conducts the orchestra on 10 and 11 June; they also perform A Night on Bald Mountain by Mussorgsky, and Tchaikovsky’s Romeo and Juliet.