No, not an instruction to hang onto your nether regions, although at this crazed punk-metal fusion double bill it may be a good idea. Veterans Clutch tinker with astrolabes, go-go beats cowbells, fiddles – anything they can get their hands on really. And Corrosion of Conformity throw up aggressive political banter alt-metal style. The boys will be making their noise at the Concorde 2 in Brighton on 27 January.