It’s been a decade since the Primus frontman, Les Claypool, played a UK show, and this, together with the fact that this London date is his sole appearance on his European tour, ensured that the venue was packed. A moderately violent mosh-pit soon developed, which, in retrospect, is a bit odd, given that Claypool’s music is a mixture of funk-rock and droned experimentation. He got the crowd’s attention early on after dodging a bottle of water, remarking, “the small-penis contingent are here”, before launching into a 90-minute set composed of Primus classics and his own songs. The former, rearranged for bass, cello and vibraphone, are starting to show their age a little: His own stuff, delivered on a variety of basses, including a one-string Wham-Ola, is darker and weirder. Perhaps we could’ve done without a 15-minute drum solo in the middle of the set, but when Claypool donned pig and chimp masks and wound up with an amped-up version of Tommy The Cat, no-one was complaining.