AX, WOLFE, MTT AT THE SYMPHONY
The bracing symphony concert lit up the night with inflammatory bookends, and sweet music in between. The meticulously planned S.F. Symphony concert featured a work from each of four centuries, as if to trace the evolution of classical music in the post-baroque era. The sweetest was the most famous musical birthday/Christmas gift of all time, Wagner’s “Siegfried Idyll,” written for his wife’s dual celebration in 1870. It’s in pyramid form, starting and ending as if on cat feet, with a…