At the time, Mary pledged not to alter the course of her music career just because of the international sensational success of “Harlem Shake,” rather focusing on the emerging dance/hip-hop crossover scene that many have dubbed “trap.” Eight months later, she’s stayed true to her word. “Higher,” his Jay Z-sampling collaboration…

But it’s his work with the label’s resident hard partiers, Umagine Dragons, that did earn him a tremendous success in the last charts’ year. The band’s 2012 first, Night Visions, debuted at No. 2 on the Billboard 200 and produced the dubstep-laced “Radioactive,” which has spent 57 weeks on the Billboard Hot 100, peaking at No. 3. —Nick Williams

Songs on Hot 100: 2

Biggest Hit: Imagine Dragons, “Radioactive” (No. 3)