The end of 2011 the band brought up the news that "March Of Ghosts" will be the band's 7th studio album and the follow-up to Missa Atropos.
Missa Cantata | Atropos | Missa Pro Populo | Missa Pange Lingua | (Missa normativa) | Missä miehet ratsastaa | Missa L'homme armé super voces musicales | Missa L'homme armé | Missa in tempore belli | Missa Gaia/Earth Mass | Missa gaia/earth mass | Missa Atropos | Missa |