An argument can be made that today’s leading pianists lead more complete careers. They still perform abundant solo recitals and orchestral concertos like their forbears, but many also place a regular emphasis on collaborative chamber music. As evidence, look no further than four of the pianists featured this year at Ravinia—Daniil Trifonov, Jean-Yves Thibaudet, Jon Kimura Parker, and Marta Aznavoorian.