Cause Of Sadness (ต้นเหตุแห่งความเศร้า) Lyrics performed by Tata Young are property and copyright of the authors, artists and labels. You should note that Cause Of Sadness (ต้นเหตุแห่งความเศร้า) Lyrics performed by Tata Young is only provided for educational purposes only and if you like the song you should buy the CD