Dr Corenfeld, her maternal grandfather, immigrated from Bessarabia. In 1984 she started working with musician-singers such as Laurent Voulzy, Marc Lavoine and Michel Jonasz. She was the violin soloist with the "Archets Européens" ("European B o w s ) in 1989, with the Tours based Orchestra of Central France between 2001 and 2004, and of the "Orchestra of the Paris Conservatoire prize-winners" in 2004. She has been a member of the Menuhin Foundation since 1986. In 2007 she founded a string quartet, theTravelling Quartet. In 2000 Gravoin established "Régie Orchestre" (RO), one of the three largest organisations of its kind in the Paris region, and which works with musicians, mostly on short term contracts, to provide and coordinate or- chestral support and collaboration, both domestically and outside France. Each var more than 400 musicians are employed. Major projects include orchestral backing for Johnny Hallyday tours, and on recording albums with artists such as Françoise Hardy, Nolwenn Leroy, Alain Souchon and Laurent Voulzy. The RO has also been collabora- ting on various film scores with composers such as Tön-Thât Tiêt et Vladimir Cosma. In 2013 the"Régie Orchestre" joined the team of musicians for the high-profile television programme "Chabada" presented by Daniela Lumbroso. In 2013 and 2014 ti participated in the lengthy "Sur le chemin" ("On the road") tour of Emmanuel Moire, which took in more than 70 concerts across France, Switzerland and Belgium.