In 2005, Bruni played bass while touring with singer Piers Faccini. Also in 2005, he worked with Jean-Louis Pierots (from Les Valentins) on Renan Luce's album "Repenti" (Victoire de la Musique award in 2008). He also worked with Daniel Yvinec on Brisa Roché's album and briefly played alongside singer/actress Charlotte Gainsbourg.
