Big Boi Gives Update on Outkast Reunion Album Big Boi is releasing a new album, The Big Sleepover He worked with Sleepy Brown on the project. During an interview, the infamous Outkast question came up. He replied, you would have to talk to the Lord Jesus. Only he knows. He did say that Outkast has A LOT of unreleased music ‘in the vault.’ At this point, would you accept their unreleased music even though it may be dated?