The notable Avalon String Quartet returns with another Berkshire premiere, “For Such a Time as This,” a retelling of the biblical Esther story for string quartet and vocalist, from a feminist perspective. Composer Stacy Garrop’s (recent commissions from the Pittsburgh, St. Louis and Louisiana symphony orchestras) intent is to remind us “we each possess agency to make changes happen in our lives, to act upon injustices, and leave the world a better place.” Mendelssohn’s Quartet No. 2 pulsates with young love before landing in fairyland with a shimmering scherzo right out of Midsummer Night’s Dream. Puccini’s verismo-style “Chrysanthemums,” a seldom-performed gem,