Contents: Introduction: Painting and music at the crossroads: The Middle Ages and Renaissance; Newton’s Opticks; Harmony for ear and eye; The crossroads; Popularity, music and the visual arts: An international language; Musical biography: Carpani exploding the cannon; Vox Populi; Steps to Parnassus: ‘How eye and ear are entranced’: Haydn and Esterházy patronage; Artaria & Compagnie: dealers in prints and music; Haydn and Goya; Talking pictures and moving images: the discourse on the visual arts in 18th-century opera: Sacrificing Iphigenia: Algarotti, Tiepolo and Vanloo; Gluck and the visual arts; Painting the cannon’s roar; Musical icons and the cult of Haydn: A public image; Updating the image; The reluctant sitter; Age and youth; The cult of Haydn; Physiognomy, phrenology and Frankenstein; Hero; Developing tastes: The culture of looking in England in the early 1790s: A visual education: Haydn as collector; A popular collection; Looking and listening in London; ‘Picture after picture’: The Creation and The Seasons: Creating waves; ‘Pictures for the ear’; Motion and the dynamics of light; Observing nature; Moving pictures; ‘Last Judgement’: Evolutionary ends; Still courting popularity; Beyond the crossroads; Appendix: Haydn’s collection; Bibliography; Index.