Singer/songwriter Haley McCallum's 15-year career as Haley Bonar ("bonner") began with a sparse take on dreamy folk-rock that evoked names like Mazzy Star, Shannon Wright, and Elliott Smith. Accompanying herself alternately on acoustic guitar, electric guitar, or various keyboards, Bonar delivered her minor-key tunes and elliptical lyrics in a haunting, delicate voice at times reminiscent of both Aimee Mann and Gillian Welch. By the arrival of her fifth album, 2014's Last War, she'd leaned into a more muscular, indie rock sound. In 2018, she released an all-instrumental mix of...