Mary Ann holds a B.M. and an M.M. from San Diego State University. She has appeared as a soloist with the San Diego Chamber Orchestra, the San Diego Symphony, and the San Diego Master Chorale. She spent several years as director of the youth and adult choirs at St. Anne Catholic Church in San Diego. Both choirs use Gregorian chant and sacred polyphony at weekly Sung and Solemn masses in the Extraordinary Form.