What does the song "Li Ali, come back from the market" mean?

"Come back from the fair, Li Ali" is a song of the Yi people, and the fair is the fair. Yi people are mainly distributed in Yunnan, Sichuan and Guizhou. The Yi people have worked hard and thrived in the deep mountains and valleys for generations. The magical, beautiful, vast and rich land has nurtured the Yi people from generation to generation, and also nurtured the Yi people's long history and simple and colorful national culture. Yi people are passionate and can sing and dance well. Every festival, Qingfeng harvest or happy event, people put on holiday costumes, get together, sing and dance. Singing and dancing are the main ways for them to express their happy mood. Even when they came back from the market, they were singing and laughing all the way.