Oral poetry
Oral poetry is poetry that is composed and transmitted without the aid of writing. The complex relationships between written and spoken literature in some societies can make this definition hard to maintain.
Background
Oral poetry is sometimes considered to include any poetry which is performed live. In many cultures, oral poetry overlaps with, or is identical with, song. Meanwhile, although the term oral etymologically means 'to do with the mouth', in some cultures oral poetry is also performed by other means, such as talking drums in some African cultures. Oral poetry exists most clearly within oral cultures, but it can survive, and indeed flourish, in highly literate cultures.
Oral poetry differs from oral literature in general because oral literature encompasses linguistic registers which are not considered poetry. In most oral literature, poetry is defined by the fact that it conforms to metrical rules; examples of non-poetic oral literature in Western culture include some jokes, speeches and storytelling.