Seven of Ms. Mazzoli's works for strings - all of distinct and varied styles - make up her turn in the Miller Theater's indispensable series. "Quartet for Queen Mab" receives its world premiere with the quartet Ethel, and, among much more, there's also an aria for the soprano Marnie Breckenridge that's part of Ms. Mazzoli's continuing opera project on the Lars von Trier film, "Breaking the Waves."