Brandi Carlile grew up outside Seattle with an affinity for country music, ’70s rock and a desire to perform, which she first did—with her mom—at just eight years old. She began writing music in her teens, and following stints backing an Elvis impersonator and working in other bands, Carlile (above, playing “The Story” for Austin City Limits) released her self-titled debut LP in 2005. Despite the singer-songwriter’s influences, she considers herself a folk musician, and her following two albums, each acclaimed, got some big-time support with T-Bone Burnett producing 2007’s The Story and Rick Rubin at the helm of Give Up the Ghost two years later. Her most recent disc, Bear Creek, released this past summer, is filled with Carlile’s soaring voice and stories of her family history. See her—along with freak-folk Americana purveyors Blitzen Trapper—on Sunday and Monday at the Beacon Theatre.