Chart wrap-up tease

YOUR TUESDAY CHART WRAP-UP: Katy Perry, One Direction and Enrique are among the acts who had a killer week at Top 40 this week. We're treating you to a summary of the action at this and two other Mediabase radio formats (co-starring Tyga, Iggy Azalea, A Great Big World and American Authors and other music for your pumpkin-carving soundtrack); go here to fill your bag with our sweet Tuesday chart wrap. (10/29p)