It is incorrect to master the phrases "dandelion's agreement" and "taking a nap on the playground" on the piano score of acoustic Bug, which means that the result of not learning acoustic Bug is actually 7 #4 6 3 four tones (under the scale of C major), which is a DD chord in A minor, add 13. This passage is 7-3-6, which means 2-5- 1 in minor. After knowing this rule, it is very simple to wear it; I don't know. I can't be right The progression of each chord