A DYNAMO OF A CELLIST
Alisa Weilerstein Shares Stage with Heras-Casado Stemming from a distinguished musical family, Alisa Weilerstein seems determined to be the dynamo of the younger performing generation. Last week back east she squeezed two recitals into one, playing all six unaccompanied Bach suites for cello in one intensive three-hour swoop, a feat that could leave both audience and performer in a sweat-drenched tingle. With the San Francisco Symphony in a more subdued mode, she played the Schumann cello Concerto in A Minor…