Alicia Keys: The R&B cornerstone becomes the first artist in the Adult R&B chart's nearly 20-year history to tally 10 No. 1s, as "Fire We Make," with Maxwell, rises 2-1. It's her first leader since "Un-Thinkable (I'm Ready)" ruled for 10 weeks beginning three years ago this month. The new topper is Maxwell's sixth. It's unsurprising that the acts would reign on a duet: Keys has spent the most time at No. 1 on Adult R&B (80 weeks), while Maxwell ranks second (57).