Chris Brown's "Party (featuring Usher & Gucci Mane)" and Imagine Dragons' "Believer" enjoy airplay gains at pop radio.

The new #1 at urban radio and the soon-to-be #1 at alternative radio enter the Top 60 at the pop format this week.

Chris Brown’s “Party (featuring Usher & Gucci Mane),” the former, ranks as the Mediabase pop panel’s #58 song this week. It was #70 last week.

“Believer,” the latter, rises twenty-six spots to #59.

“Party” received 195 pop spins during the March 12-18 tracking week. “Believer” garnered 173 plays.