Katherine Charlton Calkins is chair of the music department at Mt. San Antonio College in Walnut, California, where she has taught full-time since 1974. During a sabbatical in 1990, she taught music history at the American Institute for Foreign Study at the University of London. She holds degrees in classical guitar performance and music history and she has performed on medieval gittern, Renaissance lute, and baroque guitar with her late first husband, Andrew Charlton, who was well known in the field of early music. In addition to performing early music, she has played percussion in the California University at Fullerton Wind Ensemble and toured Japan with the group. Charlton developed a class in the history of rock music and wrote the best-selling text on that subject, Rock Music Styles: A History, currently in its fourth edition and published by McGraw-Hill.

Robert Hickok is a Professor Emeritus from the University of California at Irvine where he was the Dean of the School of the Arts and founder/conductor of the Irvine Camerata. His position at Irvine was preceded by advanced training at Yale University School of Music, where he was a pupil of Paul Hindemith. Hickok's long and successful career includes faculty positions at the Brooklyn College of the City University of New York, where he was the founding Dean of the Brooklyn College School of Performing Arts. He later headed the choral department of the Manhattan School of Music, where he regularly conducted major works from the baroque through the romantic eras.He founded and conducted the Janus Chorale of New York, which performed in New York City's Town Hall, Carnegie Hall, and Alice Tully Hall in Lincoln Center. He was a frequent guest conductor of the New Jersey Pro Arte Chorale and the Washington Orchestra. From 1977 to 1985, Hickok was the Dean of the School of Music at the North Carolina School of the Arts, and Director of its International Music Program, where he conducted performing groups that toured annually in Germany and Italy.