Gretchen Menn modules (Feb'21):
Music Theory II (Modes): Modes are one of the biggest mysteries for students. This module will help you understand where modes come from how they’re used.
Develop Your Ear: Applying methods to more easily unlock and understand what you hear to be able to accurately duplicate it on your instrument.
Harmonics II: An explanation of harmonics and various ways to manipulate them for an other-worldly, ethereal sound.