Shearwater is on our top list of featured artists for this week, after the band has just released its fifth studio release, Rook. For today we’ve got something special for our readers, as Shearwater’s record label Matador were kind enough to release the mp3 format, for what I like to consider Rook’s standout track, “Leviathan, Bound.’ The song is a real chiller, with delicate, robust and melancholic melody and lyrics, that’s sure to sooth even…