- Concrete Walls: Fever Ray - 06

: The repeated refrain "Haven't slept since summer" underscores the themes of post-natal fatigue and the blurred lines between dreams and reality.

: Reviewers have noted the track's "striking mood of isolation," comparing its synthetic, often harsh sounds to works like Björk's Homogenic . Lyrical Meaning and Context Fever Ray - 06 - Concrete Walls

While the album version is a cold, insular experience, Dreijer reimagined "Concrete Walls" for her 2018 performances. In these live settings, the track was transformed into a statement of community and empowerment , featuring an all-female crew and a focus on breaking gender binaries. : The repeated refrain "Haven't slept since summer"

: The song relies on carefully controlled, off-kilter beats and atmospheric synths rather than traditional dance hooks. In these live settings, the track was transformed

Musically, the track is celebrated for its . It features:

: Dreijer utilizes multiple layers of pitched and treated voices, which she has described as "really fun" to perform live.