American Authors is breaking big with their single, "Best Day of My Life." It was a HitPredictor first at Hot AC, where it's up to #9 this week. Last week it became a HitPredictor at Mainstream AC and this week it's a HitPredictor at Top 40. And Lorde's second single, "Team," is following the same path as her debut smash "Royals." "Team" scored a HitPredictor first at Alternative, on Oct. 7, then followed with a HitPredictor at Top 40 on Nov. 25. This week it's a HitPredictor at Hot AC.