Released in 2011, 'Polyethylene (Parts 1 & 2)' stands as a stark, minimalist addition to Radiohead's discography, marking a departure from the psychedelic textures of their earlier work. The track features sparse instrumentation and repetitive, industrial sounds that evoke the material's name, creating an atmosphere of cold detachment. This recording reflects the band's continued exploration of electronic textures and atmospheric tension, often blending with their signature guitar-driven approach. As part of their broader catalog, the song serves as a sonic exercise in repetition and texture, highlighting the group's ability to generate tension through minimalism. It remains a notable example of their post-2007 output, where the band prioritized mood and atmosphere over traditional song structures.