Question: Who was the neice of the "Camptown Races" writer, who also wrote a biography about him?
Sentence (from "Stephen Foster"): Susanna", "Hard Times Come Again No More", "Camptown Races", "Old Folks at Home" ("Suwanee River"), "My Old Kentucky Home", "Jeanie with the Light Brown Hair", "Old Black Joe", and "Beautiful Dreamer".
Relevant evidence: Yes