What's the difference between repeating chapters and reciting them repeatedly?

Repeated singing and reciting are poetic expressions, which are introduced as follows:

Repeat this chapter and sing:

The repetition of chapters is a form of expression of poetry. Specifically, there are many repetitive or overlapping parts between chapters of poetry, forming a circular effect. This technique is widely used in The Book of Songs. By repeating chapters and singing, we can further strengthen the emotion of poetry and express the theme more deeply.

Repeatedly chanting:

Recitation refers to the repeated use of the same words or sentences in poetry to express the same theme or emotion. This technique can also help to strengthen the emotion of poetry, and also enhance the sense of rhythm and rhythm of poetry. In specific poems, repeated chanting and repeated singing are sometimes combined to form more complex and rich artistic effects.

Generally speaking, the repetition and reciting of a text are all aimed at strengthening the emotion and theme of poetry, but the former pays more attention to the repetition and overlap between texts, while the latter pays more attention to the repeated use of words and sentences.