On August 11, 2014, Gucci Mane revealed his next 8 projects. Some of which are new reveals, some were announced projects that received release dates. One of the projects announced is a collaboration mixtape between Gucci Mane & Chief Keef, titled "Big Gucci Sosa". It is scheduled to be released September 27, 2014 through 1017 Records. More information will be added as it becomes available.
Official Stream https://arena.com/gucci-mane/big-gucci-sosa