– keyboards, orchestral arrangements Sascha Paeth – additional guitars, mastering Jens Johansson – keyboard solos on "March of Mephisto" and "When the Lights Are Down" Shagrath – Mephisto character on "March of Mephisto" and "Memento Mori" Cinzia Rizzo – cabaret singer on "Un Assassinio Molto Silenzioso" Simone Simons – Marguerite character on "The Haunting" Geoff Rudd – The Usher at the Theater (pre-gap track) and Mayor of Gatesville (track 13) Mari Youngblood – Helena character on "Memento Mori" and "Abandoned" Annelise Youngblood – Baby Alena on "Soul Society" Andre Neygenfind – D-bass on "Abandoned" Wolfgang Dietrich – oboe on "Memento Mori" Rodenberg Symphony Orchestra – orchestrations Choir Herbie Langhans, Amanda Somerville, Michael Rodenberg, Gerit Göbel, Thomas Rettke and Elisabeth Kjærnes Production Michael Tibes – mastering Philip Colodetti – mastering Derek "Dodge" Gores – cover art References External links Official site 2005 albums Kamelot albums Concept albums Rock operas SPV/Steamhammer albums Music based on Goethe's Faust