After more than a decade of targeting the French teen music audience, mainly in French but also in Spanish, German and Italian, Sheila made a change in her career by releasing "Les Femmes (Qu'y a-t-il dans le cœur des femmes)", a song by Christine Charbonneau in 1976. "Les Femmes" climbed to number one and stayed in the chart for three months. "Les Femmes" brought to Sheila a revolution of modernity, making her one of the idols of the French pop music.