The Hollow Earth Theory is a (frankly bonkers) concept dating back to the 17th Century, which proposes our blue planet contains a substantial interior space, inhabited, perhaps, by all kinds of unspeakable creatures. As anyone who’s munched popcorn through this year’s blockbuster monster-mash Godzilla Vs. Kong will know, it can be the basis for some head-spinning flights of fancy, full of gut-lurching gravity inversions, swooping pterodactyls and massive hairy beasts exploring their ancient lineage. It’s fitting, then, that Los Angeles collective All Hail The Yeti head there for their most satisfyingly adventurous release to date. Formed all the way back in 2006, and with three albums to their name – 2012’s self-titled debut, 2016’s Screams From A Black Wilderness, 2018’s Hi...
