Metre (poetry) of over some two-and-a-half millennia. Beginning with the earlier recorded forms: the Classic of Poetry tends toward couplets of four-character lines, grouped in rhymed quatrains; and, the Chuci follows this to some extent, but moves toward variations in line length. Han Dynasty poetry tended towards the variable line-length forms of the folk ballads and the Music Bureau yuefu. Jian'an poetry, Six Dynasties poetry, and Tang Dynasty poetry tend towards a poetic metre based on fixed-length lines of five, seven, (or, more rarely six) characters/verbal units tended to predominate, generally in couplet/quatrain-based forms, of various total verse lengths. The Song poetry
The Rhyming Poem The Rhyming Poem "The Rhyming Poem", also written as "The Riming Poem", is a poem of 87 lines found in the Exeter Book, a tenth-century collection of Old English poetry. It is remarkable for being no later than the 10th century, in Old English, and written in rhyming couplets. Rhyme is otherwise virtually unknown among Anglo-Saxon literature, which used alliterative verse instead. The poem is found on folios 94r-95v, in the third booklet of the Exeter Book, which may, or may not, be an indication of composition. Many scholarly attempts have been made to decipher the collation of the Exeter