Larry Worster (B.S., St. Lawrence University; B.A., University of Colorado at Boulder; M.M. University of Colorado at Boulder; Ph.D., University of Colorado at Boulder) is a Professor of Music at Metropolitan State College of Denver. He taught previously at the University of Colorado, Regis College, and Denver University. He performed for ten years (1984-94) in the Irish folk ensemble Colcannon. Dr. Worster has been active in the leadership of the Rocky Mountain Chapter of the College Music Society, the Society for American Music, and the Board of Directors of the Boulder Bach Festival. He is the author of Cecil Effinger: A Colorado Composer published in 1997 by Scarecrow Press. He has published articles in the American Music Research Center Journal and the Sonneck Society Bulletin and presented papers at conferences of the American Musicological Society, Sonneck Society, and the College Music Society. His ChartCreator software is published as shareware at www.chartcreator.com. Six customized sets of ChartPlayer software for the support of general studies music textbooks have been published by McGraw-Hill.