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
Sapphic stanza in Polish poetry are also more unusual forms. Jerzy Szlichting, a poet from 17th century, in his "Pieśń" ("Song") made Sapphic-like strophe 13(8+5)a/13(8+5)a/16(8b+8b)/5x. It is an example of stanza with internal rhymes. The strophe is built of segments of five or eight syllables. Sapphic stanza in Polish poetry The Sapphic stanza is the only stanzaic form adapted from Greek and Latin poetry to be used widely in Polish literature. It was introduced during the Renaissance, and since has been used frequently by many prominent poets. The importance of the Sapphic stanza for Polish literature lies not only in its frequent use, but also