In order to watch Deftones‘ Chino Moreno perform three songs in 2017, 20 people first had to embark on an arduous hike across two hours of Icelandic lava fields, following which they had to descend 400 feet, for six minutes, into the crater of a dormant volcano via a converted window-cleaning lift. The setting for this concert was Þríhnúkagígur, a volcano just outside Reykjavík, Iceland, that had last erupted around 4,000 years ago, but unusuall…