Gifted pianist and composer (1829–1869) who was one of the first figures in American music to attain an international reputation. His colorful keyboard works, often inspired by the Creole music he heard in his Louisiana childhood, pioneered the use of ethnic source materials in American ‘classical’ music. ALS signed “L. M. Gottschalk,” one page, 4.75 x 5.5, August 22, 1862. Letter to Hall & Son music publishers. In full: “Please pay to the order of Mr. Clapp, music dealer in Providence, the sum of two dollars & fifty cents & charge to my acct.” Affixed by left border to a slightly larger sheet. In very good condition, with intersecting folds, one vertical fold passing through a single letter of the signature, scattered creases, and a small tear to the lower border slightly affecting the signature. Accompanied by two original unsigned carte-de-visite portraits of Gottschalk. RRAuction COA.