The proud tradition of bands performing in barmy masks ranges from the Residents’ giant papier-mache eyeballs to Slipknot’s scary gimp ensembles, but Quebec duo Angine de Poitrine’s polka dot outfits may just take the biscuit. Double necked guitarist/bassist Khn de Poitrine sports a giant upside down pyramid head with a Pinocchio-style long nose. Drummer Klek de Poitrine’s bonkers outsize head makes him look like Monty Python’s Black Knight, but has its own dangly proboscis which flails around as he plays, and a tiny gold pyramid on top. The stage, the drum kit, the merch stall and several of the fans are also swathed in polka dots. One particularly inspired group have even turned up sporting Klek’s gold pyramids. If it looks like a phenomenon, that’s exactly what it is. Although the band formed in 2019 and have jammed together much longer, Angine de Poitrine went viral early this year when a US radio station published a video of the duo performing at a French festival.…