Tan, S.-L. “Visual Representations of Music in Three Cultures: Commentary on Athanasopoulos and Moran”. Empirical Musicology Review, vol. 8, no. 3-4, Oct. 2013, pp. 200-3, https://www.osu.tests.sfulib4.publicknowledgeproject.org/index.php/EMR/article/view/3941.