Released in conjunction with his comeback tour, Underground Battle Rap is a history of the underground battle rap scene in Detroit where Eminem initially made his name.
Some of the process dedicated to determining the best subject for the album. Much of the work was listening to Eminem's current albums and researching his current and past sources of inspiration. The most interesting part of this process was how much thought had to go into ideating the album. The process was not as involved with sketching and researching as usual, most of the time spent was mulling over potential inspirations while listening to his music to glean some idea of what he might tackle next were he to release another album (which he did end up doing).