She co-wrote numerous songs with her partner, Claude Delécluse, including La Belle Amour for Léo Ferré in 1959.
In 1963, among others, Senlis wrote C'est un jour à Naples for Dalida, Rachel for Juliette Gréco, and Quatre cents Enfants noirs Christine Sèvres.
In 1967, with Fracis Lai, she wrote a song, titled Venise sous la neige and sung by Jacqueline Dulac.
[3] Other performers she wrote for included Noëlle Cordier, Georgette Lemaire, Mireille Mathieu, Régine Zylberberg, and Jacques Hustin.
In 2016, she published a collection of poems, titled Du cœur à l'aubier and dedicated to her longtime companion, Claude Delécluse.