O Christmas Tree ukulele cover by Vanessa Ding 丁霜語
O Christmas Tree ukulele tutorial：
https://www.youtube.com/watch?v=jRxeFFqnpXM
樂譜下載TAB download free：
https://drive.google.com/file/d/0Bz8eWSciPwuYWUxMa2d3OFhGQm8/view?usp=sharing
感謝影片共賞合作：丁霜語VanessaDing