YOUR PREVIEW OF RADIO CHART PREVIEWS

The #1 songs remain the same at three key formats this week. Island/Republic's Shawn Mendes holds down the top spot at Pop, while XL/Columbia's Adele rockets into the Top 5 as the Greatest Gainer. At Rhythm, YMCMB/Republic's Drake continues his reign for a third week. At Alternative, RCA's Cage the Elephant also spends a third week at #1, while Parlophone's Coldplay enjoys a lofty debut at #17.