This essay considers the sound installation work of the British multimedia artist Brian Eno. Focusing on Eno’s so-called ‘ambient’ music, the essay asks to what extent this work can be read as an aesthetic intervention in contemporary cultures of musical listening that are driven and shaped by the instantaneous availability of music in digital formats. His sound installation 12 Seasons, written for the ‘Great Gallery’ of the Palace of Venaria Reala in Turin, is marked by slowly evolving melodic structures and textures that imply a culture of sustained listening. However, the installation process also saw Eno personally involved in the adaptation of the pre-recorded music to the acoustic properties of the gallery: this created a listening ex...