I like these songs better than all the rest, and someday you will too, Franz Schubert told the friends who were the first to hear his song cycle, Winterreise. These lieder have always found admiring audiences, but the poetry he chose to set them to has been widely regarded as weak and trivial. In Retracing a Winter's Journey, Susan Youens looks not only at Schubert's music but at the poetry, drawn from the works of Wilhelm Müller,...