Nguyen Thien DAO (1940-2015). Autograph musical manuscript signed, [1980]; 1 oblong page in-fol. (27 x 35 cm). Page 114 from his opera Écouter/mourir, commissioned by the French government and premiered at the Festival d'Avignon in 1980. It is notated in black ink on 16-line oblong paper, for soprano coloratura (role of Pouvoir), without words. It is signed lower right, with the composer's stamp in red ink. Provenance: sale for the benefit of the Fonds d'Entr aide Musicale under the patronage of Unesco, Paris April 5, 1984, no. 35c (gift of the composer).