You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Gerlioz, is a Norwegian keyboardist for which Norwegian symphonic black metal band from Oslo, Norway, formed in 1993?" whose answer is Dimmu Borgir.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Gerlioz keyboardist Norwegian symphonic black metal band formed 1993
Useful Output:

Doc 1: Geir "Gerlioz" Bratland (born 29 July 1970 in Narvik, Norway) is a Norwegian keyboardist for the band Dimmu Borgir and formerly a member of the bands God
Doc 2: STYLE: Symphonic Black MetalORIGIN: NorwayFORMED: 1993LABEL: Nuclear Blast. MEMBERS: Silenoz – lead vocals (1993–1995) rhythm guitar,
Doc 3: Dimmu Borgir formed in Oslo, Norway in 1993. The band is fittingly enough named after an Icelandic volcano: this band is a Nordic force of
Doc 4: Dimmu Borgir ; Country of origin: Norway ; Location: Oslo ; Status: Active ; Formed in: 1993 ; Genre: Symphonic Black Metal
Doc 5:  Norwegian musician who is the vocalist, guitarist, bassist and keyboardist for the black metal band Satyricon. Definitions from Wikipedia. 39. Geir Bratland.