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Pinyin: Xīn zhī Guāng
Official English: Light of Heart
Uploaded August 1, 2013, with 52,900+ bilibili views and 300+ SoundCloud views
"Light of Heart" is an original YANHE song that is featured in her debut album The Stage 1. It's about how YANHE sometimes feels sad or "down", but realizes that there are always new things in life and that her friends (the rest of the VOCALOID CHINA cast) will always make her feel better. "Light of Heart" refers to the warmth and happiness she feels when she's with friends.
One of the lines is: "谢谢你们给我的光芒" which roughly translates to "Thank you for all the light you gave me". Some people presume that this line not only refers to her thanking her friends, but also thanking her fans and the people who listen and support her.