How does the opening of "marian anderson sings" compare to the opening structure of the biography of marian anderson? "marian anderson sings" uses in medias res, opening with the most dramatic moment. the biography begins with the birth of anderson. both "marian anderson sings" and the biography use a cause and effect structure; therefore, each open with an important event and the effect it had on anderson's life. both texts are structured chronologically, beginning with the birth of anderson. the biography of anderson opens with a dramatic event from her life. "marian anderson sings" begins with a chronological description of events.