Shaffer, K., Vasiete, E., Jacquez, B., Davis, A., Escalante, D., Hicks, C., McCann, J., Noufi, C., & Salminen, P. (2020). A cluster analysis of harmony in the McGill Billboard dataset. Empirical Musicology Review, 14(3-4), 146–162. Retrieved from https://www.osu.tests.sfulib4.publicknowledgeproject.org/index.php/EMR/article/view/5576