With her partner Michel Esteban, she helped establish the store Harry Cover, temple of the punk movement in France, and the new wave magazine Rock News.

[3] Self-taught as a guitarist, she expressed herself as a minimalist within the no wave genre, concentrating on single-note lines combined with wrong-note harmonies and funky rhythms.

Returning to France, she released two singles, then traveled through Africa, drawing on the music of Soweto for the infectious "Mais où Sont Passées les Gazelles?"

Collaborating with Kidron as a producer, she recorded the albums One for the Soul (1986) in Brazil with the jazz trumpeter Chet Baker and later Suspense (1988) in London with the American musician Mark Cunningham of Mars.

[4] Fellow new wave musician and ZE labelmate Cristina dedicated a song on the 2004 re-release of her album Sleep It Off to Mercier Descloux, "chère copine in adversity...In loving memory of her talent, her courage, and her kindness.