I have been learning Harmony from Berklee books, and they have quite a lot of new ideas and concepts in Harmony 3 textbook. One of which is the modulation concept. Can you explain more on the major types of modulation and how they are used. Can you please make a video in the future to explain and showcase us some real examples of how modulation should work and in cases, create very effective and refreshing progression. I think it will be a great idea.