Claire-Marie Le Guay with the Chicago Civic Orchestra. Le Guay has performed at a variety of prestigious venues including Carnegie Hall and Wigmore Hall. Le Guay is currently recording her final two installments of the four-volume "Haydn-Mozart" series, to be released on the Universal Accord label. She has also worked as an assistant to Bruno Rigutto at the Paris Conservatoire since 2001. Claire-Marie Le Guay Claire-Marie Le Guay (born 13 June 1974) is a French classical pianist. Le Guay was born in Paris, France. She began playing piano at age 4 and entered the Paris Conservatoire at age 14, where she studied with
Jean-Jacques Greif Jean-Jacques Greif Jean-Jacques Greif (born in Paris in 1944) is a French journalist and writer. He has written for the magazine Marie Claire for thirty years. In the 80s, while he was writing about education in "Marie Claire", he taught French and physics now and then in a small school. He wrote some articles about science in a magazine for children. His first published opus was a documentary book for children about computers (1986). From 1988 to 1995, he wrote how-to books about the Macintosh computer and its software. After more than twenty books in French (two of which aimed