. . "1975-05-22T20:00:00"^^ . "symphony orchestra performance" . . . . "Symphony of the New World" . . . . . . "Following intermission (prior to the performance of \"Ballad for Americans\"), Frederick O'Neal and Hilda Simms performed \"Montage of Freedom,\" a selection of readings from texts by Sojourner Truth, Frederick Douglass, and Harriet Tubman." .