Yr Anhrefn | |
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| Background information | |
| Origin | Bangor, Wales |
| Genres | Punk rock |
| Years active | 1982–1995, 2007 |
| Labels | Anhrefn, Workers Playtime, Crai |
| Past members | Rhys Mwyn Sion Sebon Hefin Huws Dewi Gwyn Dafydd Ieuan Dylan Hughes Sion Jones Ryan Kift Gwyn Jones |
Yr Anhrefn, also known simply as Anhrefn, were an influential Welsh punk rock group of the 1980s and 1990s.