By Don Heckman Los Angeles – Aug. 3. (Tues.)  The Los Angeles Philharmonic.  Gustavo Dudamel conducts a stunning program of Bernstein and Gershwin. Gabriela Montero solos in the Rhapsody In Blue.  The Hollywood Bowl.   (323) 850-2000. – Aug. 3. (Tues.)  Wayne Bergeron’s Big Band.  Trumpeter Bergeron steps down from the trumpet section to lead own… Read More Picks of the Week: Aug. 3 – 8