2019
John L Drever, Soundscape Composition: Listening to Context and Contingency, Published 2019

In his 2019 book chapter 
"Soundscape Composition: Listening to Context and Contingency
" (published in ),John L. Dreverexplores soundscape composition not as a rigid genre, but as an interdisciplinary practice centered on "contextual listening" and the meanings of place. 

Drever references Max Neuhaus to differentiate between traditional musical forms and the "atelexic" (non-ending) nature of sound art:

https://research.gold.ac.uk/id/eprint/26610/1/Soundscape%20Composition%20%E2%80%93%20listening%20to%20context%20and%20contingency%20DRAFT%20June2019.pdf