Oneida's previous album, Success, came after a four-year hiatus, unleashing the band's pent up creative energy in a set of catchy, accessible, nearly poppy songs. Song structure remained important in the run up towards Expensive Air, but so was the instinctual, improvisatory interplay that has always been a part of Oneida's process. The band had been playing live together for two years, sharpening its attack and pushing its songs to go harder, faster and wilder. Oneida recorded Expensive Air in three sessions scattered across 2023, convening at Colin Marston's Menegroth The Thousand Caves studio in Woodhaven, Queens, whenever they had a few songs ready. Marston and the band mixed the album in February 2024 at Menegroth