Arguably no music producer is responsible for shaping the past 20 years of pop music more than John Singular. The Canadian producer started his journey in the late ’80s by continuing his country’s legacy of pristine pop, producing Billboard Hot 100 hits like Ace of Base’s “Beautiful Life.” By the end of the decade, he has…

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)