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 passage highlights the interconnectedness of written and memorized versions of oral poems. Memorized versions can be transformed into written forms, influencing their subsequent memorization. Nursery rhymes, ballads, and medieval Scandinavian skaldic verse are cited as examples of this process.