The ethical questions surrounding this final album in the American Recordings series are as unavoidable as they are, ultimately, peripheral. While the vocal tracks were recorded in the months just prior to Johnny Cash's passing in September 2003, the arrangements weren't undertaken until two years later. And though producer Rick Rubin had become a trusted friend, the Man in Black wasn't around to approve or disapprove, let alone guide, the final sessions. However, if the pure power of these recordings doesn't quiet the skeptics, nothing will. With Heartbreakers Mike Campbell and Benmont Tench and slide guitar session pro Smokey Hormel ...