In January 2018, The Killers were promoting their fifth studio album, "Wonderful Wonderful," which was released in September 2017. The album saw the band experimenting with new sounds and themes, reflecting their evolution in the music scene since their debut. By the time of the TRNSMT Festival performance in Glasgow, the band had successfully re-established their prominence with "Wonderful Wonderful," which debuted at number one on the Billboard 200 chart. During this period, they were also celebrated for their energetic live performances, with "Mr. Brightside" remaining a fan favorite, showcasing the band's enduring popularity. Notably, their performance from the festival was marked by an enthusiastic crowd, indicative of their strong connection with fans, further solidifying their status as one of the leading rock bands of their generation.