A true collaboration from cellist Sharon Robinson and pianist Anna Polonsky

The Beethoven cello sonatas are in high rotation this season at the Kennedy Center: Steven Isserlis did four last fall, Yo-Yo Ma will do four next month and, this week, Sharon Robinson offered all of Beethoven's cello/piano works (five sonatas and three sets of variations) over two evenings at the Terrace Theater, presented by the Fortas Chamber Music series. But somehow, this repetition doesn't seem to matter. Our iconic masterworks have so much to reveal, and audiences enjoy hearing them with ...