Yvette Horner (née Hornère; (1922-09-22)22 September 1922 – (2018-06-11)11 June 2018) was a French accordionist, pianist and composer known for performing with the Tour de France during the 1950s and 1960s. During her 70-year long career, she gave more than two thousand concerts and released around 150 records, selling a total of 30 million copies.
Horner won the Coupe mondiale de l'accordéon in 1948, and the Grand Prix du Disque in 1950 for Le Jardin secret d'Yvette Horner, a recital of classical works performed on piano and accordion.
Source : Wikipedia