About Sinclair
Born 1970. Sinclair is a French singer-songwriter, singer, film actor, composer, musician and liedermacher.
Mathieu Blanc-Francard, known professionally as Sinclair (born 19 July 1970), is a French musician and singer-songwriter.
Early life Born in 1970 at Tours, France, as son of Dominique Blanc-Francard and brother of Hubert Blanc-Francard, known professionally as Boom Bass (of Cassius), Mathieu Blanc-Francard grew up in Paris and went to school at the lycée Janson-de-Sailly. He became interested in music as a teenager and missed his baccalauréat. He briefly worked in a recording studio as an assistant sound engineer and learned the guitar. Sinclair composed, arranged and produced his fourth album, Supernova Superstar, which came out in 2001. He also played on 16 November 2015 at the Divan du Monde in Paris. In 2020, he launched the single Elle dit. In April 2021, the French singer launched an EP called Hier's efface.
Other activities Sinclair was on the jury for seasons 6 and 7 of the TV series Nouvelle Star (broadcast by M6) alongside the composer, arranger and pianist André Manoukian, the journalist Philippe Manœuvre and the singer Lio. In autumn 2009 he announced his intention to withdraw, being dissatisfied with the musical standard of the 2008–09 season. He appeared in the eighth season of Danse avec les stars, alongside dancer Denitsa Ikonomova. Musical style and influences Since his teens Sinclair has been particularly influenced by Prince, Stevie Wonder, Jimi Hendrix and Sly Stone. The singer received a César Award nomination in 2009 for the soundtrack of the film Le Premier Jour du reste de ta vie ("The First Day of the Rest of Your Life").
Personal life Mathieu Blanc-Francard was born into a family of professional musicians and entertainers: he is the son of sound engineer Dominique Blanc-Francard who was a member of the rock group "Les Pingouins" in the 1960s. Mathieu's brother Hubert, known as "Boom Bass", is one of the duo Cassius.
In September 2001 Mathieu Blanc-Francard married the actress Emma de Caunes. They have a daughter, Nina, born in Paris in October 2002.
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Important facts
People in Sinclair's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Sinclair's
Frequently asked questions
Who is Sinclair?
French singer-songwriter
When was Sinclair born?
Sinclair was born on 19 July 1970 in Tours.
What is Sinclair's occupation?
Sinclair is a singer-songwriter, singer, film actor, composer, musician and liedermacher.
What nationality is Sinclair?
Sinclair is French.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Sinclair. https://biography.guide/sinclair/
MLA: "Sinclair." Biography.guide, https://biography.guide/sinclair/.
Chicago: "Sinclair." Biography.guide. https://biography.guide/sinclair/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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