At the end of the nineteenth century, Paris became, according to the social changes and urbanization, modern-day Babylon. The figure of the courtesan, half-worldly maintained, simple casserole or close fascinates house girl and inspired generations of artists, writers and musicians. The opera brings to the stage a few outstanding figures as Manon Lescaut and La Traviata, not without shock the public then. Many melodies deliver full evocations of feminine sensuality. But it is in the song cabaret or street, or “realistic song”, born in the early twentieth century, the figure of the courtesan is more openly discussed. The Café Prank Nathalie Joly and Viper sidewalk Magali Léger and Arnaud Marzorati will live in illustrations.