Alain BANCQUART (born 1934). Autograph music manuscript signed, Jeux pour Lumière for string trio and orchestra, [1969]; in parts. Concerto for string trio and orchestra with 4 percussionists. Commissioned by Radio-France, the work was premiered in the studio by the Paris String Trio (Alain Bancquart on viola) and the Orchestre national de France conducted by Marius Constant at Radio-France in 1969; the recording made at that time was released as a disc (Barclay, 1971). The parts were carefully written by the composer in India ink on tracing paper. - The string trio part (37 x 27,5 cm) includes the title and 21 pages, plus 4 additional pages (3', 5', 11', 13'). - The orchestra parts (ca. 35 x 27 cm) include: Violins I (7 ff), II (6) and III (5); Alti I (6) II (7) and III (6); Celli I (5), II (5) and III (4); Double basses (4); Harp I (7) and (II); Percussion I and II (6), III and IV (5); Flute (5); Trumpet (3); Trombone (3). The printed score is enclosed.