Heart of Darkness is the sixth studio album by German heavy metal band Grave Digger. They showed a much darker and more aggressive sound with this release than any of their previous albums. All of the songs have dark, lyrical concepts such as hate, death, betrayal, etc. The title track is inspired by the Joseph Conrad's novella Heart of Darkness. A music video was made for "Circle of Witches". Track listing All lyrics written by Chris Boltendahl and Tomi Göttlich, except where noted; All music written by Chris Boltendahl and Uwe Lulis except where noted. The limited edition release is limited to 6,666 copies. Credits Band members Chris Boltendahl - vocals Uwe Lulis - guitars Tomi Göttlich - bass Frank Ullrich - drums Additional musicians Peter Diersmann - backing vocals Michael Seifert - backing vocals Rudy Kronenberger - keyboards Konzertchor Koln - choir on "Heart of Darkness" Production Mathias Bothor - photography Marc Manthey - engineering, mixing (choirs) on "Heart of Darkness" Tomi Göttlich - producer (lead vocals) Chris Boltendahl - producer, cover concept, engineering, mixing (choirs) on "Heart of Darkness" Uwe Lulis - engineering (additional overdubs), producer Suno Fabitch - engineering, mixing John Cremer - mastering Andreas Marschall - cover art References 1995 albums Grave Digger (band) albums GUN Records albums