Literally, the term translates to “the people from the villages of lower Ba.” This name points directly to its famous origin story, where it was the title of a simple folk song from that region, representing the taste of the common folk.
The soul of 下里巴人 lies in its contrast with its opposite: 阳春白雪 (yángchūn báixuě), or “highbrow art.” Both terms come from a story about the poet Song Yu (宋玉) from the Warring States period. When the King of Chu asked Song Yu why so few people appreciated his sophisticated poetry, the poet explained: When a singer in the capital performs the simple, rustic folk songs of “下里巴人,” thousands of people can join in and sing along. However, when the singer performs the elegant and complex court music of “阳春白雪,” only a few dozen people can even follow the melody. This story perfectly illustrates a core concept in Chinese culture: the distinction between the 雅 (yǎ), or the elegant and refined, and the 俗 (sú), or the common and popular. 下里巴人 is the quintessential example of 俗. A good Western comparison is the concept of “highbrow vs. lowbrow.” A complex piece of literature like James Joyce's *Ulysses* is “阳春白雪,” while a widely popular, easy-to-read blockbuster novel is “下里巴人.” Importantly, Chinese culture doesn't always see this as a strict “good vs. bad” hierarchy. There is a recognized value in art that is 接地气 (jiē dìqì), or “down-to-earth,” and connects with the lives of ordinary people.
This idiom remains very common today. Its connotation can be neutral, self-deprecating, or slightly critical, depending on the context.