Dimmu Borgir have unveiled details of their ambitious forthcoming album.
In addition to working with composer Gaute Storaas, the Norwegian symphonic black metallers have invited the 51-strong Kork orchestra and the Schola Cantorum Choir to record parts on their ninth studio album.
The as-yet-untitled follow-up to 2007's In Sorte Diaboli will be released on October 11 through Nuclear Blast.