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
Matt Helders I was like – 'Fuck, I need to start hitting harder.'" Helders also explained the band's insistence on singing in their native Sheffield accent, saying, "when you talk between the songs at a gig and you're speakin' English in our normal accent, it seems a bit strange when you burst into song like you're from California or something ... it looks a bit daft." In a similar fashion to other members of the band, Helders has remained true to his hometown roots, suggesting that seeing places all over the world makes him more appreciative of Sheffield, which still provides the