Yves Roze better known as Jean-François Michael is a French singer born on 16 April 1946. Between 1963 and 1968, he sang under his birth name Yves Roze. In 1968, Michel Berger (under his real name Michel Hamburger) wrote "Adieu jolie Candy" that was a hit for Jean-François Michael. It sold over one million copies, and was awarded a gold disc.
Under the new name Jean-François Michael, sometimes the "e" in Michael was written with the umlaut on the "e" as in Jean-François Michaël, he released three albums between 1968 and 1972, and a number of singles, but struck by a grave illness, he abandoned his musical career. He came back in 1975, but as a music director and record producer.
Source: Article "Jean-François Michael" from Wikipedia in English, licensed under CC-BY-SA 3.0.