On “21,“ Polo G raps a quick-moving track about his fame-based lifestyle on his 21st birthday. Polo drops references to weaponry and expensive items to boast about his status in life. Additionally, he pays homage to late rapper and friend Juice WRLD—who also appears on “Flex” from THE GOAT—within the track, expressing his dislike for drugs and addiction. On January 12, 2020, six days after Polo’s 21st birthday, an extended snippet leaked on YouTube and Soundcloud. On May 15, 2020, founder of Lyrical Lemonade and one of the most famous video producers in the music industry, Cole Bennett, teased that he was working on a project with Polo G. This would be their first collaboration together. On June 13, 2020, Cole Bennett further teased the project by posting “21 video?” captioned on a pic