Edgar Lee Masters’ “Spoon River Anthology” became a landmark of American poetry — by going deep into the darkness behind the ideal bucolic American life. We hear a live set from singer-songwriter Mackenzie Scott, who performs as TORRES. She can’t talk with her family about being adopted, but she can sing about it. And the author Dylan Landis gets inside the head of a teenage girl in 1970s New York in her novel “Rainey Royal.”