Mystical folk pop artist Valerie Lighthart concludes her “By Moonlight” trilogy with “The Banshee” out now. It’s three songs where Lighthart enters sorcerous electronica territory, even incorporating an 808’s beat juxtaposed with playful wonder in “Walkin’ Slowly.” The EP is one about reclamation, power, and conquering; Lighthart embodies a dominating character who haunts her enemies and cleanses her narrative of