Lucien GUÉRINEL (born 1930). Autograph musical manuscript, Petite musique de jour for horn and orchestra, 2001 ; 34 sheets 42 x 29 cm. Piece for horn and orchestra, premiered on June 28, 2002 at the Opéra d'Avignon by Antoine Dreyfuss and the Orchestre Lyrique d'Avignon-Provence conducted by Roland Hayrabedian. Lasting 15 minutes, the work requires, in addition to the solo horn, 2 flutes, 2 oboes, 2 clarinets, 2 bassoons, 2 horns, 2 trumpets, 2 trombones, timpani, percussion, and strings. The manuscript of the orchestral score is carefully noted in Indian ink on tracing paper, and dated at the end "Marseille/Saint-Bonnet de Joux 21 August-28 December 2001".