Alexandrine introduce phrasal accentuation, or rigorously observe the medial caesura, as in French." Common usage within the literatures of European languages is broader still, embracing lines syllabic, accentual-syllabic, and (inevitably) stationed ambivalently between the two; lines of 12, 13, or even 14 syllables; lines with obligatory, predominant, and optional caesurae. Although alexandrines occurred in French verse as early as the 12th century, they were slightly looser rhythmically, and vied with the "décasyllabe" and "octosyllabe" for cultural prominence and use in various genres. "The alexandrine came into its own in the middle of the sixteenth century with the poets of the Pléiade
Aeolic verse consecutive anceps syllables, and which combines double-short and single-short in a single verse, but not in a single metrical group). But there are several important innovations in the "aeolic" practice of Pindar and Bacchylides: The tragic poets of Classical Athens continued the use of Aeolic verse (and dactylo-epitrite, with the addition of other types) for their choral odes, with additional metrical freedoms and innovations. Aeschylus, Sophocles, and Euripides each went his own way in developing Aeolics. Theocritus provides an example of the Hellenistic adaptation of Aeolic poetry in his "Idylls" 28–31, which also imitate the Archaic Aeolic dialect. "Idyll" 29,