Greek underworld Greek underworld In mythology, the Greek underworld is an otherworld where souls go after death. The original Greek idea of afterlife is that, at the moment of death, the soul is separated from the corpse, taking on the shape of the former person, and is transported to the entrance of the underworld. The underworld itself—sometimes known as Hades, after its patron god—is described as being either at the outer bounds of the ocean or beneath the depths or ends of the earth. It is considered the dark counterpart to the brightness of Mount Olympus with the kingdom of the dead
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"