On May 5, the Louisville songwriter Joan Shelley will release her fifth album of poetic folk minimalism. This time, it's self-titled. "I'm all for adding only what is required, so in a way this was trying to get away with less," she tells NPR. "This particular collection of songs feels somehow central in relation to what I've done so far and what'll come next. It also didn't feel necessary to slap a title on it.