Concert at the Baltimore Old Theatre near the Wind Mill on July 13, 1796 “was almost exclusively French in character.”  It included: The Siege of Gibralter, on the piano, with accompaniments of violin & horn, - Mr. S. Marc.; Quatour, on the French horn, M. Chailleau; and The little duo of French tunes, for two horns, Mr. Chailleau and L’Arnaud.

[Sonneck, 1907, p. 52]