1. Sun Yat-sen Mausoleum is the mausoleum of Dr. Sun Yat-sen, one of the great pioneers of modern democratic revolution in China. Guqin is one of the traditional musical instruments with a long history in China, which has a strong cultural connotation and emotional expression.

2. Using guqin music with the video of Sun Yat-sen's Mausoleum can highlight the historical value and national feelings of Dr. Sun Yat-sen, and let people know and feel the great cause advocated by Dr. Sun Yat-sen more deeply.

3. The musical style of Guqin pursues simplicity, profundity, mystery and nothingness, which is suitable for expressing the personality cultivation and ideological realm of China traditional literati.