Claudio SANTORO (1919-1989). Autograph musical manuscript signed, Interrações assintóticas para orquestra, 1969; 32 sheets 45.5 x 33 cm (some defects). Piece for orchestra of 235 bars (duration about 8 minutes), dedicated "para Gisele e os Salmerons". The orchestra is composed of 3 flutes (and piccolo), 3 oboes (and English horn), 3 clarinets, bass clarinet, 3 bassoons (and contrabassoon), 4 horns, 4 trumpets, 3 trombones, tuba, harp, timpani, 4 percussionists. The manuscript, written in calligraphy on a tracing paper, is signed at the end and dated "Paris. Set. 1969". Attached are the autograph parts for timpani (2 p.), and harp (1 p.); plus documents for the edition.