Hell Sirens comes from Post-Awareness Stage 4 of Everywhere at the End of Time, The Caretaker's long ambient project exploring memory loss through decaying ballroom music. In that stage the familiar melodies collapse into distorted loops and noise, and this siren-like passage became one of its most shared moments. Clips spread through YouTube compilations, TikTok horror edits and liminal-space videos, where listeners recognised its sound even without knowing the full album. It remains popular because it instantly signals deterioration, loss and something quietly wrong.