David Lamb and MorganEve Swain — the duo that makes up indie band Brown Bird — made a left turn last month with the release of Fits of Reason. The electric guitar that joins their metal, rock, and even Middle Eastern influences isn't the only surprise on the band's latest record. There's also a renewed examination of heavyweight issues: Fits of Reason is a discourse about faith, life, death, and whatever comes afterward. "Barren Lakes" joins its Middle East-meets-funk sound to an examination of faith, blind devotion, and the potentially vain search for answers, and the album is dotted with apocalyptic religious imagery ("Bow for Blade") and Biblical references ("Abednego") throughout. There's even a song named for Christopher Hitchens. Lamb and Swain's vocals complement each other nicely in time with the hypnotic, sometimes slightly kooky sounds they create, and there's nothing morbid about their songs or their sound. But they will, if nothing else, get you thinking about your own mortality.