This joint leaked a while back and was rumoured to be intended for T.I's Paper Trail album... it's now officially out as a Ricco Barrino song featuring T.I and it goes real hard.... do check this song out, Ricco Barrino does his thing on the vocals and as always Tip kills the verse.

Ricco Barrino Feat. T.I - Propane [LimeLinx]