Following the release of Out Among the Stars—an album of previously unreleased Johnny Cash songs—the late music legend’s son John Carter Cash told The Guardian that fans might not have heard the last of the Man in Black. He told the paper, “There are a few things that are in the works right now – probably four or five albums if we wanted to release everything. There may be three or four albums worth of American Recordings stuff, but some of it may never see the light of day.” Producer Rick Rubin, who worked with Cash before he died in 2003, also told The Guardian, “We will probably put out additional Unearthed material recorded since the last Unearthed box, in keeping with John’s wishes” …