Hector BERLIOZ (1803-1869). L.S., signed by 20 other artists, Paris June 30, 1863, to M. Barbet, chef de musique du 70e de ligne; 1 page in-4 on the letterhead of the Comité central de l'Association des Artistes Musiciens. Letter of thanks for the support given to the festival held on June 28 at the Pré Catelan, intended to improve the position of military and civilian musicians... Signatories include Auber, H. Reber, Baron Taylor, Ambroise Thomas...