The Song of Roland and Ywain: A Changing Society as Viewed Through Its Literature When comparing the epic poem of The Song of Roland to the romantic literature of Ywain, the differences between the early medieval period and the high medieval period become evident. Both The Song of Roland and Ywain depicts the societies from which each story derives its fundamental characteristics. Through close observation, one is able to see the shifts in customs and mentality that make the move from the epic to the romance possible. In his chapter 'From Epic to Romance', R.W. Southern shows how this transformation manifests itself through changing ecclesiastical and sec