發表於 2017-08-132017-08-13 by doctorHow to play “Happy Birthday” Like Beethoven, Chopin, Brahms, Bach and Mozart How to play “Happy Birthday” Like Beethoven, Chopin, Brahms, Bach and Mozart +++++ 五線譜速讀方法 +++++ 十分鐘以內，一次搞懂所有的現代和弦代號！ ==//==//==
