Black Sabbath are sharing some behind-the-scenes video of the creation of the cover for their forthcoming album, “13.”Due June 11, the group’s first full studio project with Ozzy Osbourne since 1978’s “Never Say Die” was produced by Rick Rubin.Sabbath recently released the album’s lead track, “God Is Dead?”The band have completed the first series of shows of their 2013 world tour, playing dates in New Zealand and Australia.Sabbath will kick off a North American tour July 25 in Houston, TX.