Harmonic Progressions / Functions

Learn about Harmonic Functions (teoria)

http://www.teoria.com/en/tutorials/functions/intro/

Practice Harmonic Dictations! Fun times!

https://msu.edu/~taggartb/courses/MUS282/exam%20practice/index.html

Understand Types of Contrapuntal Motion

http://openmusictheory.com/motionTypes.html

Probably don’t need to go into THIS MUCH DETAIL:

http://www.gmajormusictheory.org/Listening/progressions/Progressions.html