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
Accentual verse of syllables in each line is noted. <poem style="margin-left: 2em"> Baa, baa, black sheep, (4) Have you any wool? (5) Yes sir, yes sir, (4) Three bags full; (3) One for the mas-ter, (5) And one for the dame, (5) And one for the lit-tle boy (7) Who lives down the lane. (5) </poem> Accentual verse derives its musical qualities from its flexibility with unstressed syllables and tends to follow the natural speech patterns of English. Accentual verse was a traditionally common prosody in Germany, Scandinavia, Iceland and Britain. Accentual verse has been widespread in English poetry since its earliest