Harrowing of Hell refers not merely to the idea that Christ descended into Hell, as in the Creed, but to the rich tradition that developed later, asserting that he triumphed over "inferos", releasing Hell's captives, particularly Adam and Eve, and the righteous men and women of the Old Testament period. In Classical mythology Hades is the underworld inhabited by departed souls and the god Pluto is its ruler. The New Testament uses the term "Hades" to refer to the abode or state of the dead. In some places it seems to represent a neutral place where the dead awaited the death, burial, and
What the Hell from the album. The song was premiered on 31 December 2010 on "Dick Clark's New Year's Rockin' Eve" during a pre-taped segment along with a performance of "Girlfriend". Lavigne described "What the Hell" as "a really fun, upbeat party song, so it worked out really well to play it for the first time on "New Year's Rockin' Eve"." The following day, "What the Hell" was available as a free download for 48 hours from Lavigne's official Facebook page. "What the Hell" has been described as "bubblegum pop-punk" and synthpop song. The song has been compared to previous Lavigne's single, "Girlfriend"