Gallhammer
Japanese musical group; metal band

Gallhammer () were a Japanese extreme metal group that drew on black metal, doom metal and crust punk. They formed in Tokyo in 2003 and released three studio albums.
The final group lineup consisted of Vivian Slaughter (vocals, bass guitar) and Risa Reaper (vocals, drums); the original lineup included Mika Penetrator (vocals, guitar).
Biography
Their first recording, a free demo tape limited to 30 copies, was distributed at their first gig at Koiwa Death Fest Vol.2, around March 2003, in Japan. In July of the same year, the self-titled demo was released. By April of the following year, they had released another demo, Endless Nauseous Days, and were working towards their debut full-length CD. The 8-track album, entitled Gloomy Lights, was released in November 2004 through Hello From The Gutter Records.
In January 2006, Gallhammer was signed to Peaceville Records, on the recommendation of Darkthrone. A CD/DVD pack, entitled The Dawn of..., was released, containing a CD, demo and rehearsal footage, and a DVD recording of Gallhammer performing in Okayama and five concerts in Tokyo.
Gallhammer released their second full-length album, Ill Innocence, through Peaceville Records in September 2007, followed by a European tour. In March 2008, they did a second European tour.
Begin with the source’s own compact description: “Gallhammer” is japanese musical group; metal band. The dossier treats that line as a proposition to test through Gallhammer, Japanese and musical, not as a finished interpretation.
Why this record matters
The phrase “japanese musical group; metal band” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Oct 1, 2025. The linked authority identifier is Q1492413. VIAF identifies the subject as 143521034. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2003, 2004, 2006 and 2007.
A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Gallhammer”, its source revision and the description used here.
- Expand the search: follow Gallhammer primary sources, Gallhammer archive and Gallhammer research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Gallhammer”?
- Which cited source is closest to the event, object or claim?
- What terminology or title could unlock a more precise catalogue search?
Search terms from this dossier
This entry incorporates text from “Gallhammer” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.