Likewise, memorised oral poems can come to be written down, leading to a situation in which written versions in turn influence memorised versions. Prominent examples of memorised oral poetry are some nursery rhymes, ballads and medieval Scandinavian skaldic verse.
The process of memorization and subsequent transcription of oral poetry creates a reciprocal relationship between written and memorized versions.  Nursery rhymes, ballads, and medieval Scandinavian skaldic verse exemplify this dynamic.