Autumn Lights on the Arno (2016) is an immersive sound installation conceived and created by the acclaimed French composer for the urban environment of the Le Murate Complex on the occasion of the 50th anniversary of the Florence flood. This sound portrait of the river develops along two separate registers that give life to the soundscape of the Arno: an acoustic dimension, figurative and realistic, in which faraway voices and chirping birds from the river banks emerge from the continuous and steady white noise of the city; and an acousmatic dimension, a poised image, discreet, and devoted to the chant of water. This work stemmed from a field recording workshop produced in partnership with Tempo Reale that involved young local sound artists.