Already raising comparisons to Simon and Garfunkel, and for more than just being an acoustic duo, Bird Courage play stripped down folk with earthy overtones. Based in Bushwick and fronted by Samuel Saffery and Erik Meier, the band has an assuming presence with gentle strength in songs like “Blind in Both Eyes” and “Wind and Oak,” both of which conjure images of a gray, wooded forest in winter’s eve. With four releases behind them, their most recent being “A Promising Fleet,” the band has worked tirelessly in their few short years together. Bird Courage will be performing in Brooklyn at Union Hall on April 28. – Devon Antonetti