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
Burns stanza lyrical, subsequent uses have tended to be comic and satirical, as this passage from Burns shows: A variation on the Burns stanza employs the rhyme scheme AABCCCB, with foreshortened third and seventh lines. This form is deployed, for example, in W. H. Auden's poem "Brother, who when the sirens roar" (also known as "A Communist to Others"): Brothers, who when the sirens roar From office, shop and factory pour By cops directed to the fug Of talkie-houses for a drug, Or down canals to find a hug Auden uses similar verse forms in other poems in the collection "Look, Stranger!"