Virtual XI
Virtual XI ( pronounced "Virtual Eleven" ) is the eleventh studio album by English heavy metal band Iron Maiden , released on 23 March 1998 . 
<triplet> Virtual XI <subj> heavy metal <obj> genre <subj> Iron Maiden <obj> performer <subj> 23 March 1998 <obj> publication date <triplet> Iron Maiden <subj> heavy metal <obj> genre