K. Flay took the stage at The 9:30 club crouched in the dark on top of layered rectangular platforms that illuminated as she launched into her hit "Not in California." Her setlist, which featured every song off of this year's Solutions, plus her biggest hits from 2017's Every Where Is Somewhere and 2014's Life as a Dog, mixed elements of rock, pop, and hip hop, highlighted the multifaceted nature of her career.