Complete with an eerie video, “Introit” and “Prophecy at 1420 MHz” comprise the opening suite of the Scottish duo’s Inferno Still from Boards of Canada’s “Introit” / “Prophecy at 1420 MHz” (via YouTube) After resurfacing with the nebulous “ Tape 05 ” last month, Boards of Canada have shared the opening suite of their new album, Inferno . Comprising two songs in the vintage BoC tradition, “Introit” and “Prophecy at 1420 MHz” arrive with a new video that advances the staticky VHS aesthetic and cultish symbolism introduced in the album’s monthlong teaser campaign . Watch the Robert Beatty-directed short below, before the album drops on May 29 via Warp . Inferno is Boards of Canada’s first album in 13 years, following Tomorrow’s Harvest . Since then, the brothers Mike Sandison and Marcus Eoin have trickled out occasional remixes and archival reissues , as well as an NTS DJ mix .…