A RECAP OF RADIO ADD RECAPS

For the second week in a row, Island's Shawn Mendes & Camila Cabello have the Most Added record at Top 40 with their duet "I Know What You Did Last Summer," while at Rhythm, Chris Brown is Most Added yet again with his new track "Back To Sleep" and at Modern Rock, his RCA labelmates Foo Fighers dominate with "Saint Cecilia." Click the links to find out more, and go easy on the spiked egg nog at your holiday office party, buddy.