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Iceland is a place of natural mystery and wonder. Chino Moreno of Deftones knows this, which is why he played an acoustic concert in one of the country's dormant volcanos, 400 feet below the earth's surface. 

The BBC reports that Moreno's concert was part of last weekend's Secret Solstice Festival in Iceland's capital city of Reykyavík, and that 20 fans paid £1,380 each to attend the show—apparently the price to go spelunking with a dude from a really cool band. 

The show was quite the expedition. Fans had to trek two and a half hours to reach the Thrihnuagigur volcano, and then were lowered eight people at a time by a converted window cleaning lift. It was some textbook Game of Thrones stuff, but to hear Moreno run through covers of Morrissey and David Bowie—along with the other Deftones songs—was surely sublime for those in attendance. After all, ancient volcanos have pretty great acoustics. 

Watch Moreno play Deftones' moody classic "Change (In The House of Flies)," below, courtesy of Consequence of Sound. Then catch a throwback Fuse interview with the dude.