The scientific and melodious figures of the Ballade, the Rondeau, the Chant-royal, the Rondel, and the Villanelle, cannot by any ingenuity be deduced from Canso or Balada, Retroensa or Breu-Doble.
"A Short History of French Literature"
George Saintsbury
Do we not live on what I sell, Sonnet, ballade, and Villanelle?
"Tobogganing On Parnassus"
Franklin P. Adams
Indeed, the frottola descended by an extremely easy transition to the Villanelle, a still more popular form of composition and one marked by even less relationship to the counterpoint of the low countries.
"Some Forerunners of Italian Opera"
William James Henderson