Isn't an "allouette" a nightingale? We don't have nightingales in Canada.I'm sad to see that Youpi! Youpi!, that jolly and uptempo riverman's song , is not in there.
As for Cajun songs, the Balfour Brothers did many. I think Zachery Richard did as well. The Acadian group (as in French from the original Acadia; some got away or came back) used to do a song I always assumed was Cajun, called La Maudit Guerre (pardon my spelling) about the expulsion of the Acadians.