Rapper Lil Yachty brings feel-good positivity, druggy weirdness, and wild ATLian flair to a style he self-designated "bubblegum trap" in his early days, while becoming a figurehead of the movement sometimes known as "mumble rap." Within two years of scoring his first platinum single in 2016, he had a pair of Top Ten albums with 2017's Teenage Emotions and 2018's Lil Boat 2, and a Grammy nomination for DRAM's "Broccoli," on which he was featured. Between the release dates of those proper albums for the Quality Control label, Yachty's approach shifted from a reliance upon willfu...