sentence: personnel anette olzon - female vocals ( until 29 september 2012 ) floor jansen - female vocals ( from 1 october 2012 onwards ) tuomas holopainen - keyboards emppu vuorinen - guitar jukka nevalainen - drums marco hietala - bass , male vocals troy donockley - uilleann pipes , tin whistle , additional vocals ; guests elize ryd \* - female vocals alissa white-gluz \* - female vocals filled in as vocalist during the september 28 , 2012 show in denver , colorado while anette olzon was hospitalized due to illness .