Lucien GUÉRINEL (born 1930). Autograph musical manuscript, À la Nuit for brass quintet & percussion, [1995] ; 17 sheets 36 x 26 cm. Piece for brass and percussion, premiered in 1996, in the collegiate church of Saint-Yrieix-en-Perche, by the ensemble Epsilon and the percussionist Michel Gastaud, who is the dedicatee. The brass quintet includes 2 trumpets, horn, trombone and tuba; the percussion is composed of cymbals, 3 bongos, 3 toms, vibraphone and marimba; the piece lasts 11 minutes. The manuscript is carefully written down in Indian ink on tracing paper with generally 2 systems of 10 staves per page; collettes have been added for the clichage