The Door to Doom
It is the band's first full-length studio album since 2012's "Psalms for the Dead" , marking their longest gap between studio albums , and the first one to feature vocalist Johan Längqvist since 1986's "Epicus Doomicus Metallicus" . 
<triplet> Psalms for the Dead <subj> 2012 <obj> publication date <triplet> Epicus Doomicus Metallicus <subj> 1986 <obj> publication date