Super deluxe four CD edition. Comes with eight previously unreleased outtakes and alternative mixes. Among those are different mixes of "You Won't Change Me" and "Rock 'n' Roll Doctor," as well as both outtake and instrumental versions for "She's Gone." The collection concludes with 10 previously unreleased live tracks recorded during the 1976-77 Technical Ecstasy World Tour. The songs touch on different eras of the band's history with early tracks like "Black Sabbath" and "War Pigs" alongside new songs "Gypsy" and "Dirty Women." The collection comes with an extensive booklet featuring artwork, liner notes, rare memorabilia and photos from the era, plus a replica of the 1976-77 world tour concert book and a large color poster. Black Sabbath embraced change in 1976 when the heavy metal innovators started managing themselves and began exploring different sounds on the band's seventh studio album, Technical Ecstasy. The record reached #13 in the U.K. and was certified gold in the U.S.
