Enlarge / A study of “harmonic surprise”—points where the music deviates from listener expectations—in popular music over several decades found that Childish Gambino’s “This is America” had the most contrastive harmonic surprise. (credit: YouTube/Donald Glover) Hip-hop artist Childish Gambino (aka actor Donald Glover) made a splash in 2018 with the release of his Grammy-winning hit […]