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
Alcaic stanza Alcaic stanza The Alcaic stanza is a Greek lyrical meter, an Aeolic verse form traditionally believed to have been invented by Alcaeus, a lyric poet from Mytilene on the island of Lesbos, about 600 BC. The Alcaic stanza and the Sapphic stanza named for Alcaeus' contemporary, Sappho, are two important forms of Classical poetry. The Alcaic stanza consists of two Alcaic hendecasyllables, followed by an Alcaic enneasyllable and an Alcaic decasyllable. The Alcaic stanza as used by Sappho and Alcaeus has the scheme ( where "–" is a longum, "u" a breve, and "×" an anceps): One stanza consists of