A PREVIEW OF RADIO CHART PREVIEWS

There's a new #1 this week at T40, as The Chainsmokers f/Halsey's massive single, "Closer" (Disruptor/Columbia) steamrolls into the top spot, while Island/Republic's Shawn Mendes moves to #3 with "Treat You Better." Plus, two superstars will hit the chart prior to their official impact dates at radio: The Weeknd f/Daft Punk's freshly-released "Starboy" (XO/Republic) and Sia f/Kendrick Lamar "The Greatest" (Monkey Puzzle/RCA).

Meanwhile at Rhythm, Drake will get a second week at #1 with his Rihanna duet, "Too Good" (YMCMB/Republic), while Major Lazer f/Justin Bieber & MØ's "Cold Water" (Mad Decent/Def Jam) moves into the Top 5. A swift chart debut is expected from The Weeknd's "Starboy" at this format as well.

And at Modern Rock, Green Day's "Bang Bang" (Warner Bros.) is now a Top 3 record, while Kings Of Leon's "Waste A Moment" (RCA) explodes into the Top 10, up 500 spins, and Judah & The Lion's "Take It All Back" (Caroline) leaps into the Top 15.

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