On March 26, 2021, Pittsburgh Opera will broadcast a free, virtual concert in celebration of women composers, titled “Women’s March.” The program will draw from over 900 years of music, from composers such as Hildegard von Bingen, Barbara Strozzi, Fanny Mendelssohn Hensel, Alma Mahler, and Clara Schumann, Pauline Viardot, Marjory Kennedy-Fraser, Rebecca Clarke, Nadia and Lili Boulanger, Margaret bonds, Libby {…}