Atlanta Ballet Dancers in Liam Scarlett's "Vespertine." The Joffrey Ballet performs the Chicago premiere of the work April 24-May 5 as part of a mixed-rep program called "Across the Pond." Photo by Kim Kenney

Atlanta Ballet Dancers in Liam Scarlett's "Vespertine." The Joffrey Ballet performs the Chicago premiere of the work April 24-May 5 as part of a mixed-rep program called "Across the Pond." Photo by Kim Kenney