Stott & Ma make beautiful music together (again)
A remarkable partnership: Yo-Yo Ma and Kathryn Stott in concert. Photo: Robert TorresAs musical marriages go, there are few happier ones than the long alliance between cellist Yo-Yo Ma and pianist Kathryn Stott (above), who brought a varied program to a packed Symphony Hall last weekend under the aegis of Celebrity Series. This globe-trotting duo - who have been performing together now for something like thirty…