korduse
Korduse is a term used in semiotics and ethnomusicology to describe a pattern of repetition that recurs across different levels of a cultural artifact. It is applied to music, poetry, storytelling, and ritual performance to analyze how repeated elements contribute to structure and meaning. The word's precise origin is uncertain; the term was proposed by scholars in the late 20th or early 21st century to capture cross-cultural repetition-based patterns. In practice, korduse encompasses several types of repetition, including exact repetition of a motif, variation on a motif across verses, and cyclical repetition that closes a musical or narrative unit. It also covers layered repetition, where a motif recurs at multiple scales simultaneously (e.g., a refrain that echoes within stanzas and within the larger work).
Korduse serves several functions: it reinforces memory and expectation, creates rhythmic or thematic unity, and signals
Further reading includes works on repetition in folklore and music theory, as well as cross-cultural studies