In a fire-filled album fury that took the internet by storm, Eminem explains why he surprised the world with his latest album, Kamikaze, which just went No. 1 on the charts.

Related: Eminem Summons Slim Shady in New "Fall" Video, Machine Gun Kelly Delivers "Rap Devil"

The 8-Mile native caught up with Sway in a two-part interview where E fully explains his thinking behind the surprise project. Plus, we get never-before-seen details about Joe Budden and Machine Gun Kelly beef that he says is a bit more "petty" than they may seem.

Watch part one of the interview.

Watch Eminem explain more on MGK and Budden in the second part, below.