The University of Edinburgh has a decent free course on Coursera: https://www.coursera.org/learn/edinburgh-music-theory/home/welcome https://www.coursera.org/le

The University of Edinburgh has a decent free course on Coursera: https://www.coursera.org/learn/edinburgh-music-theory/home/welcome https://www.coursera.org/learn/edinburgh-music-theory/home/w...