"I started Kris's "Progressions You Should Know" course about a year ago and spent about 30 minutes a day on it for just a few weeks. It completely helped me unlock my creativity and cut my time-commitment for writing original music down to a fraction. I highly recommend it for any harmony-novice like myself. In teaching situations I am so much more confident jumping behind the piano when I need to. I can say from personal experience that this course is a godsend for drummers looking to catch up on their harmony knowledge and basic functional piano playing."