Johnson, Randolph B., David Huron, and Lauren Collister. 2013. “Music and Lyrics Interactions and Their Influence on Recognition of Sung Words: An Investigation of Word Frequency, Rhyme, Metric Stress, Vocal Timbre, Melisma, and Repetition Priming”. Empirical Musicology Review 9 (1):2-20. https://www.osu.tests.sfulib4.publicknowledgeproject.org/index.php/EMR/article/view/3729.