Brief introduction of Song Ya

An ancient music title. 1. And an elegant lawsuit. 2. The content of the Book of Songs and the name of the music classification. There is a poem "three stars, sunlight and moonlight, four elegant rhymes". Poetry refers to The Book of Songs, which consists of Feng, Ya and Ode. "Ya" is divided into "Ya" and "Ya", which together are four parts. Elegant music is the music of the imperial court, which is known as the music of ancestral temple sacrifice. 3. refers to the joy of prosperous times and the joy of temples.