It’s been nearly a decade since Tunng co-founders Sam Genders and Mike Lindsay, former softcore porn score composers, decided to pour their creative energies into a project some might find equally unconventional. Because over the past seven years, the U.K. collective has crafted a steady, astonishing, often unclassifiable stream of pastoral pop that’s integrated elements of both folk and electronic music in constantly surprising ways. And on June 18, they’ll do it again with the release of Turbines, their fifth studio album and an outing of staggering beauty, as evidenced by first listen “So Far From Here.”