I didn't attend most of this class because I didn't make the lottery for section 1, but Nathan (the professor) told me there was space in section 2.
I watched most of the recording of section 3 (he records one random section of each lecture) the following Monday. The class went over harmony and counterpoint:
Seth Monahan on YouTube is a high-quality resource and his content corresponds well to this class. For example, here's a video about Key Signatures.