Backstrom, D. A. ., B. V. Tucker, and M. C. . Kelley. “Forced-Alignment of the Sung Acoustic Signal Using Deep Neural Nets”. Canadian Acoustics, vol. 47, no. 3, Oct. 2019, pp. 98-99, https://jcaa.caa-aca.ca/index.php/jcaa/article/view/3350.