I reduced most of the instruments layering the studio version on the instrumental and inverting a channel. A bit of editing and its almost an acappella. Happy remixing.
https://drive.google.com/open?id=0B2K3sFNB37SWMzl3dW1mc094VEU
https://drive.google.com/open?id=0B2K3sFNB37SWMzl3dW1mc094VEU