Virginia Woolf famously claimed that, around December 1910, human character changed. <I>Aesthetic Technologies</I> addresses how music (especially opera), the phonograph, and film served as cultural agents facilitating the many extraordinary social, artistic, and cultural shifts that characterized the new century and much of what followed long thereafter, even to the present. Three tropes are central: the tensions and traumas—cultural, social, and personal—associated with modernity;...