Tranquility Base Hotel & Casino guitar ideas to complement the demos, with bassist Nick O'Malley approving of the demo for "Star Treatment". In September 2017, the Arctic Monkeys began recording material at Vox Studios in Hollywood and La Frette in Paris. Frequent collaborator James Ford co-produced the album with Turner. During these sessions the piano and guitar parts began to mesh, with O'Malley and drummer Matt Helders joining. Helders commented that during recording he played with more restraint than on previous records, noting that "it's about playing for the songs". Further recording sessions took place with Ford in London. The group employed a wide array
Tranquility Base Hotel & Casino father at the age of eight, commenting that he "never thought [his father's influence] would find its way into [his] compositions as much as it has on this record". Many of the vocal takes included on the finished album originate from Turner's home demos on a TASCAM 388 8-track recording machine. Guitarist Jamie Cook commented that he "was blown away by the direction Alex had gone in" when Turner played him the demos in February 2017. Initially unsure how they would record the songs, Cook suggested Turner release it as a solo album, but Turner was uninterested. Cook began recording