Boston Symphony Orchestra, Anna Rakitina, conductor Joshua Bell, violin Eliza Bagg, Martha Cluver, and Sonja Dutoit Tengblad, vocalists July 30, 2023   LENOX – The Boston Symphony’s offerings on the weekend of the annual Festival of Contemporary Music dovetailed with its curation, lifting up female composers and, on Sunday, a conductor. Leading the orchestra on Saturday, July 30th was Anna Rakitina, who has served as the ensemble’s Assistant Conductor until this Summer. She is a rising star and led the orchestra with assuredness, providing detailed interpretations of all of the scores on the program. The orchestra, for their part, were