The Cello Sonata No.
109 is the first of the two cello sonatas by Gabriel Fauré.
Composed in 1917 at Saint-Raphaël and Paris, it was premiered on 10 November 1917 at a concert of the Société Nationale de Musique by Gérard Hekking as the cellist and Alfred Cortot as the pianist.
At the same concert, the Second Violin Sonata was also premiered.
[1] The dedicatee of the work was the cellist Louis Hasselmans, who gave a second performance at the Théâtre des Champs-Élysées in 1918.