ZiZhu Diao - "The Purple Bamboo Flute" - is a song about making a flute out of purple bamboo, a common material for the job. Listen to children singing it in the video below.
Shi Shang Zhi You Ma Ma Hao - "Mum is the Best in the World" - is a song honouring mothers and motherhood. Apparently it is learned by many Chinese children at an early age.
Moo-Lee-Chwa or "Jasmine Flower" was noted by Sir John Barrow in his book Travels in Chine (1804).