Works to be performed: JS Bach - Orchestral Suite No. 2 in B Minor. Chopin - Variations on “Là ci darem la mano,” Lynne Mackey, piano. Barber - Mutations on Bach. WF Bach - Sinfonia in F Major. Schumann - Konzertstück for Four Horns in F Major, with David Wick, Barbara Josenhans, Jay Chadwick, and Tara Islas, horns. Kenneth Nafziger, artistic director and conductor.