A PREVIEW OF RADIO CHART PREVIEWS

At T40, it looks like it might be another week before Luis Fonsi & Daddy Yankee's "Despacito" f/Justin Bieber (UMLE/RBMG/Def Jam/Republic) slides into that #1 slot, as Halsey's "Now or Never" (Astralwerks/Capitol) takes a huge jump inside the Top 10, potentially landing inside the Top 5.

Meanwhile at Rhythm, it's too close to call as to whether Childish Gambino's "Redbone" (Glassnote) will rise from #3 to #1 this week, since DJ Khaled's "I'm The One" (We The Best/Epic) is currently occupying the top spot—but knocking him out could be a matter of 50 spins or less.

And at Modern Rock, Portugal. The Man's "Feel It Still" (Atlantic) remains #1 for a second week, while Bleachers' "Don't Take The Money" (RCA) goes to #3 and Foo Fighters' "Run" (RCA) arrives in the Top 10.

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