Daniele JR. A Tool for the Quantitative Anthropology of Music: Use of the nPVI Equation to Analyze Rhythmic Variability within Long-term Historical Patterns in Music. EMR [Internet]. 2017 Jan. 10 [cited 2024 Apr. 28];11(2):228-33. Available from: https://emusicology.org/index.php/EMR/article/view/4893