Since hip-hop began, MCs have been out to one-up their rivals, so it's no surprise that the quest to be the world's fastest rapper is hard-fought. Quickest doesn't necessarily mean best – there ...

Eminem's Rap God is considered one of the fastest rap songs ever. The song was released in October 2013 as the third single from Eminem's eighth studio album, The Marshall Mathers LP 2.