BATTERIES NOT INCLUDED

DNCE's "Cake by the Ocean" (Republic) was the #10 best-selling song in the country this week. Desiigner's "Panda" (G.O.O.D./Def Jam)—the epitome of a viral sensation—hit #16 at Urban radio only two weeks after impact, and it just debuted on the Rhythm chart. And both those acts have joined our Vibe Raters round-up of buzzing new artists. Click the links for more.