Feeling especially energetic? Or just curious about what you can learn from some of the world's leading universities without leaving your seat? Why not try some of this open access courseware! These schools represent the absolute cream of the crop in music teaching.
Music and Theatre Arts  - Courses at MIT.
Music  - Courses at Harvard. Includes Music Theory and Composition.
Music  - Courses at Berklee School of Music.
Listening to Music  - Course at Yale.
Listening to World Music  - At Penn University. Via the Coursera portal