Upcoming courses on Coursera.org on Music Production, Audio Engineering, and the Beatles (say that like Ed Sullivan)
Free course on music production: https://www.coursera.org/course/musicproduction
Free course on audio engineering (includes building a 10 watt guitar amp): https://www.coursera.org/course/audiomusicengpart1
Free course on the Beatles: https://www.coursera.org/course/beatles
EDIT: Songwriting course: https://www.coursera.org/course/songwriting as mentioned by /u/dupemaster in the comments.