Within the history of philosophy, it is generally acknowledged that art has played a uniquely formative role in the development of philosophical practice. Many trace this tendency back to Plato, and his ambiguous reliance on art as both a model for his own practice, as well as a threat to the harmonious functioning of the Republic. What has received less attention is the Kantian reversal of the Platonic dismissal of artists, and how it has generated a rich philosophical literature, of which the three pairs considered here are illuminating instances. These three are Friedrich Nietzsche's lifelong engagement with Richard Wagner, Martin Heidegger's assimilation of Friedrich Holderlin's poetry within his philosophical thinking, and Theodor Adorno's analysis of Arnold Schonberg's music as exemplary for our understanding of contemporary society. In its first half, the book uncovers the weakness of approaching these relationships according to the romantic conception of artistic practice....