Charles Horton is Associate Dean of the Desautels Faculty of Music at the University of Manitoba, where as Associate Professor of Music (now retired) he taught music theory, music history, counterpoint, analysis, chamber music and piano. He has appeared in concert in Canada, the United States and Europe in solo recitals, chamber music concerts and concerto performances; his teachers have included Alexandra Pierce, Marvin Blickenstaff, Jeanneane Dowis and Jerome Lowenthal. He is the founding music director (1997) of All The King's Men, Winnipeg's male-voice liturgical choir; the choir has undertaken six English cathedral tours, most recently for residencies at Worcester and Exeter Cathedrals. He is a founding member of the Society for Music Theory and a former co-editor of In Theory Only.

David A. Byrne is Assistant Professor of Music Theory in the Desautels Faculty of Music at the University of Manitoba, where he teaches music theory and orchestration. He earned a Ph.D. in music theory from the University of Cincinnati, with a dissertation on the harmonic theories of Sigfrid Karg-Elert. His research encompasses the history of theory in the early twentieth century, transformational models of chromatic harmony, and the analysis of symphonic form. His work is published in Music Research Forum, and he has presented at many conferences including the Society for Music Theory, the Society for Music Analysis, and the International Conference on Nineteenth-Century Music. In addition to his teaching and research in music theory, he is a clarinetist, conductor and arranger.

Lawrence Ritchey (1939 - 2006) was Associate Professor of Music in the Desautels Faculty of Music at the University of Manitoba and a Senior Fellow at St. John's College; he taught music theory, jazz history, organ, and harpsichord. He appeared in concert in Canada, the United States and Europe; his frequent performances included solo recitals, concerto performances, continuo playing and collaborations with singers in performances of American popular song and jazz. He teachers included Arthur Poister and Marcel Dupré. He served as chair of the editorial board of the interdisciplinary journal, Mosaic, and was organist and choirmaster of St. John's Anglican Cathedral in Winnipeg.