In Sonic possible worlds (Bloomsbury, 2021), while reflecting on the possibility of sound Salomé Voegelin mentions “the capacity of radio to question objective time through the blind temporality of its continuous stream, and its ability to subvert the spatiality of the actual world through the invisible spatiality of its medium: creating a space “out of the dark from the unexpected moves of sound””. 

In the same book, she dedicates a chapter to “Listening to the inaudible: the sound of unicorns”