Our introduction to the dark mysticism of twin sisters/former Austra members Sari + Romy Lightman -- aka Tasseomancy -- came from Montreal band TOPS' recommendation of the group's creepy retro-futuristic video for "Reality", a vaguely ominous, beautifully minimal new-age hymn. On their new single "The Grass Harp", the Lightman twins keep those eerie vibes intact and take them widescreen, expanding into some seriously lush, pastoral psych-folk. Listen to the haunting new track, as well as the moving, relatively poppy album highlight "Braid. Wind is Coming", below. Tasseomancy's new record Palm Wine Revisited is out May 5th on Healing Power Records: