春分 (Chūnfēn)

Background
一候:元鸟至；二候:雷乃发声；三候:始电

"Chūnfēn" is an original Luo Tianyi and Yuezheng Ling song that was featured in the album Jiéqì Wùyǔ - Chūn Xià Juǎn.