Eminem's "Rap God" is already a Guinness World Record holder, and now it's a member of Spotify's Billions Club as well. The 2013 single has passed the 1 billion streams threshold on the streaming service, making it Eminem's eighth single to cross the digital barrier. "Rap God" was the third single from Eminem's 2013 album "The Marshall Mathers LP 2," following "Berzerk" and "Survival." The song features Eminem rapping at an accelerated clip, at one point cycling through 97 words in 15 seconds. The song features 1,560 words in all, as clocked by Guinness, which honored Em with a "Most words in ...