★★★★☆

This was an anomaly. An Australian psychedelic rock band, blessed with the kind of name a 14-year-old comes up with during a particularly boring double maths lesson, sells out the 10,000-capacity Alexandra Palace with little radio support and no hit records. What’s more, their latest of many albums since 2012 (they released five in 2017 alone) is a ferocious thrash metal concept piece about ecological disaster called Infest the Rat’s Nest. No focus group would come up with the King Gizzard approach to musical success.

At this huge concert the band’s blend of propulsive energy, jam-band groove and ever-shifting styles, all sewn together with a kind of good-natured spirit, made perfect sense. Against a backdrop of kaleidoscopic visuals two drummers pummelled in unison