Who on earth is Oliver Tree, and where does he fall on the countdown?

Carrie Underwood is on the rise.

Post Malone leaps back into the Top 10.

20 songs you need to know before the show, featuring Cardi B, Ariana, Post Malone, BTS, the Jonas Brothers, and more.

Papa Roach inches towards the Top 10.

Luke Bryan makes his debut.

She's back and teaming up with Brendon Urie of Panic! at the Disco. Enjoy "ME!" now.

She's back and teaming up with Brendon Urie of Panic! at the Disco. Enjoy "ME!" now.

NFL Draft festivities take over Nashville this weekend with free shows from Tim McGraw and Dierks Bentley. Hear 'em both on Country Hits.

Bebe Rexha roars into the top 10.