Guy MORANÇON (born 1927). Autograph musical manuscript, Tropes for large organ and percussion, 1967-1968; 64 leaves (paginated 2-65) 35 x 27 cm. This work for organ and percussion is divided into five parts: I Modéré, II Allant, III Allant, IV Modéré, V Calme. At the head of the work is a list of the percussion instruments, which require 6 percussionists; the organ is "3 manuals, 45 stops". The manuscript is carefully written in Indian ink on 24-line tracing paper. The tracings engraved for the edition are attached.