What's the name of the folk song Liu Sanjie asked and answered?

Third sister Liu. Lyrics excerpt: sing folk songs, sing folk songs, sing here and there, folk songs are like spring water, hi. "Sister Liu" is a song sung by Zu Hai, which comes from the album "Dream Butterfly Metamorphosis". Zu Hai, formerly known as Zuchen, 1976 was born in Bengbu City, Anhui Province in May, and graduated from the undergraduate and postgraduate classes of Acoustics and Songs Department of China Conservatory of Music. Famous young singer, national first-class actor, member of Youth Federation of Central State Organs, member of China Musicians Association, ambassador of women's health in China, ambassador of China Red Cross Society and national ambassador of AIDS prevention. His representative works include For Who, Happy Folk Songs, Sister Liu, Good Luck and Happy Sea.