Big Sean has previewed a new song called ‘Don Life’ featuring Lil Wayne – listen to it below.It comes ahead of the release of the rapper’s new album ‘Detroit 2’, which is due to be released on September 4. It’s a follow-up to his 2012 mixtape of the same name, which featured guest appearances from Kendrick Lamar, Royce Da 5’9″ and Chris Brown.Last week, the G.O.O.D.