<unk>  is the eleventh recording by the Caretaker, an alias of English electronic musician Leyland Kirby. Released from 2016 to 2019, its six studio albums represent the progression of Alzheimer's disease through degrading loops of sampled ballroom recordings. Inspired by the success of An Empty Bliss Beyond This World (2011), Kirby produced<unk>  as his final major work under the alias. The albums were produced in Krakow and released over six-month periods to "give a sense of<unk>  passing". The album covers are abstract paintings by his friend Ivan Seal. The series drew comparisons to the works of composer William Basinski and electronic musician Burial; later stages were influenced by avant-gardist composer John Cage. The complete edition comprises six hours of music, portraying a range of emotions and characterised by noise throughout. Although the last three stages depart from Kirby's earlier ambient works, the first three are similar to An Empty Bliss. The albums portray the patient's disorder and death, their feelings, and the phenomenon of terminal lucidity. To promote the series, Kirby partnered with anonymous visual artist Weirdcore to make music videos. At first, concerned about whether the series would seem pretentious, Kirby thought of not creating<unk>  at all; he spent more<unk>  producing it than any of his other releases. The album covers received attention from a French art exhibition named after the Caretaker's final album<unk> , an Empty Bliss (2019), a compilation of archived songs. As each stage was released, the series received increasingly positive reviews from critics; its length and dementia-driven concept led many reviewers to feel emotional about the complete edition. Considered Kirby's magnum opus,<unk>  was one of the most praised music releases of the 2010s. Caregivers of people with dementia also praised the albums for increasing empathy for patients among younger listeners, although some medics felt the series was too linear. It became an Internet pheonomenon in the early 2020s, emerging in TikTok videos as a listening challenge, being transformed into a mod for the video game Friday Night Funkin (2020), and appearing within memes since.
Everywhere at the End of Time
Born in Bradford
The Dose Makes the Poison
Life on the Ground Floor
Ten Days in a Mad-House
All of Us 
Survival of the Sickest 
Acute to chronic ratio