Style and genre are two distinct but related ways in which artworks can be grouped together in the interests of understanding and appreciation. Neither mode of classification is easy to characterize, and much of the philosophical discussion of both genre—predominantly by literary theorists—and style—predominantly by historians and philosophers of the visual arts—has been clarificatory in aim. In the case of genre, there is a tension between structural (e.g., ode, epic, and collage) and functional (e.g., tragedy, romance, and altarpiece) ways of categorizing artworks. But many genres seem to have more to do with subject matter (e.g., bildungsroman and still life)—at least in those art forms that are broadly representational. The diverse bases for generic classification of artworks are reflected in René Wellek and Austin Warren's proposed definition of a literary genre as...