For me it was a lot like using music. I used it when I felt that it was right, when I felt like it was time.

In response to the question: "Was there an attempt in Last Days to connect the use of the musique concrete to specific themes in the film?"from the interview “… the Way Someone Would Shoot a Film in an Architectural Magazine”: Gus Van Sant on Last Days by Peter Bowen on Filmaker, (Jul 5, 2018).