Chart Highlights: Mark Ronson, Bruno Mars Top Pop Songs, Dance/Mix Show Airplay — billboard.com

Chart Highlights offers a sneak peek at a select group of Billboard charts every Monday. (All charts below are based on radio airplay except for Dance Club Songs, which is based on reports submitted by a panel of DJs.) Find out the top songs, Greatest Gainers and debuts on the surveys listed below. All our charts are refreshed on Billboard.com and Billboardbiz every Thursday and appear in the next issue of Billboard magazine.

Read More