Dr. Crookshank came to Southern after having taught at the University of Michigan at Dearborn, Adrian College, and Bowling Green State University. Her dissertation was on nineteenth-century gospel hymns, and her publications and papers include The Joyful Sound: Women in the Nineteenth-Century United States Hymnody Tradition and Hallelujah! Handel Meets the Megachurch. As a violinist and violist, she has performed with various chamber ensembles and early music ensembles.