AdvertisementAll Songs Considered: The Year In Music 2018December 03, 2018Bob BoilenRobin HiltonAnn PowersStephen ThompsonfacebookEmailChildish Gambino (left) performs onstage during the 2018 iHeartRadio Music Festival. Rosalía speaks onstage during the 19th annual Latin GRAMMY Awards. Janelle Monae performs in Los Angeles in June and Kacey Musgraves performs at the 2018 Stagecoach Festival in April. (Getty Images; Christopher Polk/Getty Images for Stagecoach)