1. Collier, J. (2022, July 21). Youtube, in the Bleak Midwinter. Available online: https://youtu.be/mPZn4x3uOac.
2. Nempla Música (2022, July 21). Youtube, Jacob Collier Masterclass en NEMPLA—Parte 3 de 5. Available online: https://youtu.be/5vrhKI7JHQc?t=946.
3. Wired.com Support (2022, July 21). Jacob Collier Answers Music Theory Questions From Twitter. Available online: https://www.wired.com/video/watch/tech-support-jacob-collier-answers-music-theory-questions-from-twitter.
4. Music Psychology and Music Theory: Problems and Prospects;Krumhansl;Music Theory Spectr.,1995
5. Krumhansl, C.L. (2001). Cognitive Foundations of Musical Pitch, Oxford University Press. Oxford Psychology Series.