The Grimmrobe Demos is Sunn O)))'s first recorded album, and is the most direct representation of its self-proclaimed Earth-worship. It was originally limited to 500 copies by Hydra Head Records, but in 2005, Southern Lord Records reissued it on CD and vinyl with a bonus live track. An early rehearsal track titled "Bremerton" was included on the vinyl release.
The album's third track was named after frontman Dylan Carlson of Earth, and is also a loose interpretation of the track "Ouroborous is Broken" from Earth's first release, entitled Extra-Capsular Extraction.
The booklet of the second version of the album contains a long passage of apocalyptic writing by Seldon Hunt, written in Melbourne, Australia, during October 2004.
On August 8, 2008, Sunn O))) announced that it would do a mini-tour consisting of four concerts to commemorate the 10th anniversary of the album's release.[4]
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