Plus, David Guetta & Sia debut.
Marshmello and Demi Lovato lift 5-1 on Billboard's Dance/Electronic Digital Song Sales chart (dated Sept. 26) with "OK Not to Be OK." The song sold 12,000 downloads in its first full tracking week (Sept. 11-17), according to Nielsen Music/MRC Data.
"OK" marks Marshmello's sixth No. 1 and Lovato's first on the chart. Released Sept. 10, the final day of last week's sales and streaming tracking week, the song launched on the Sept. 19-dated chart after selling 2,000 downloads in its first day.
On the airplay-, sales- and streaming-based Hot Dance/Electronic Songs chart, the collab cruises 11-2, marking Marshmello's 10th top 10 and Lovato's third. With 8.6 million U.S. streams, "OK" also enters at No. 2 on Dance/Electronic Streaming Songs, where it's Marshmello's seventh top 10 and Lovato's third. It also drew 7.4 million in all-format radio airplay audience through Sept. 20.