In a program designed to celebrate the rich diversity of Baroque music -- the complexity of the intellectual Northern Baroque and its counterpoint, the more outgoing Mediterranean -- celebrated cellist Yehuda Hanani performs one of the incomparable unaccompanied Bach suites, displaying the composer's depth, boldness and innovation and virtuoso pianist Lydia Artymiw dazzles with Scarlatti miniature keyboard gems. The two join in performances of Vivaldi and Boccherii sonata and a new composition in neo-Baroque style by Williamstown composer Steven Dankner receives its world premiere.