Despite the fact that not much music has officially been released by this duo, T.I. had been chillin’ on the regular with Dre, as far back as the Detox years, and a number of tracks and snippets from those lab sessions have hit the web. Last night, on Dre’s The Pharmacy show on Beats 1 radio, the Doc premiered a music that he and T.I. Had been cooking up for his comeback album.“Back To Business” is a laid-back composition with a gradual deep bass line and heavy drums. Take a listen below.