Noul album Sirenia se va numi The 13th Floor si va fi lansat pe 23 ianuarie 2009 la Nuclear Blast. Albumul este primul al trupei cu noua vocalista Aylin (pe numele adevarat Pilar Gimйnez Garcнa), de origine spaniola, si va contine piesele:
01. The Path To Decay 02. Lost In Life 03. The Mind Maelstrom 04. The Seventh Summer 05. Beyond Life's Scenery 06. The Lucid Door 07. Led Astray 08. Winterborn 77 09. Sirens Of The Seven Seas
