I also started Songwriting and Jazz Improvisation, and while both had outstanding content and instruction, the peer-grading of assignments was a complete failure and forced me to quit the coursework timeline. Aside from reviewing others' work being a huge time sink, all feedback I ever got myself was completely useless, like "You did everything in the instructions, but I don't like this" or "Gee, I don't know enough to tell you how to do this any better." I would have gladly paid to get qualified feedback.