Riffs and the occasional groovy, spacey interlude. 'Crimson' is a great prog metal epic/album full of heavy guitar

In 2003, Swano revived the Edge of Sanity name for Crimson II, a solo album of his (featuring a handful of guests, including Clive Nolan). Swano left shortly after, and was replaced by Robert Karlsson for 1997's Cryptic. The album resulting from this conflict was Infernal, which consisted half of more melodic, proggy songs by Swano, and half of straightforward melodic death metal songs by the rest of the band. Swano wanted to move further into prog while the other band members wanted a return to the group's death metal roots. They started to fall apart shortly after though, with internal conflict arising over the band's new direction.

The epic concept album consisted of one 40 minute song, and is widely regarded as the band's greatest accomplishment. They gradually began to encorporate progressive influences into their music, thanks primarily to frontman Dan Swano (a veteran of neo-proggers Unicorn, and eventual founder of the more straightforward prog-metal outfit Nightingale), hitting their peak with 1996's Crimson. Originally started as a fairly straightforward Swedish death metal band, Edge of Sanity's first few albums gained them a following in metal circles. Founded in Finspång, Sweden in 1989 - Disbanded in 1999 - Reformed briefly in 2003

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