The Octonaire is a genre of early French poem, then chanson, with the text divided into eight-verse sections, or octonaries

Octonary

An octonary is an eight-line section in a poem, song or psalm. The most notable example is found in Psalm 118In the French renaissance the octonaire became a form of moralizing chanson....

, after the model of Psalm 118

Psalm 118

Psalm 118 is the 118th psalm of the Book of Psalms. Verses 8-9 are notable as the centre verses of the Protestant Bible .-Judaism:*Is one of six psalms of which Hallel is composed...

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Three poets wrote Octonaires de la vanité et inconstance du monde. The best known was Antoine de la Roche Chandieu

Antoine de la Roche Chandieu

Antoine de la Roche Chandieu was French Reformed theologian, poet, diplomat and nobleman. His trend toward the Reformed Protestantism was strengthened during his study of law at Toulouse, and after a theological course at Geneva, he became the pastor of the Reformed congregation of Paris, 1556-62...

. Claude Le Jeune

Claude Le Jeune

Claude Le Jeune was a Franco-Flemish composer of the late Renaissance. He was the primary representative of the musical movement known as musique mesurée, and a significant composer of the "Parisian" chanson, the predominant secular form in France in the latter half of the 16th century...

 and Paschal de L'Estocart

Paschal de l'Estocart

Paschal de l'Estocart was a French Renaissance composer.Not much of his life is known. He was in Lyons between 1559 and 1565, and was married in the latter year. In his youth he is known to have visited Italy, but the exact years are not known...

both wrote collections of moral chansons, Octonaires de la vanité et inconstance du monde, with 19 texts common to both collections.