Fernando Sor (1778-1839) composed Souvenir de Russie, which has been dedicated to his beloved pupil Napoléon Coste, during the latter years of his life. His works composed around 1810 found in Mozart as well as in the Apollonian, a stylistic and formal ideal, whereas his works composed in the 1830’s show a new musical language, in which sentiments flow more easily, thanks to a formal concept less bound to the schemes of the XVIII century (R. Chiesa). Both Chopin and the years in which Sor lived in Russia (1823–1826) influenced the compositional style of Souvenir de Russie, which eventually took inspiration from two Russian melodies. The first one, “Чем тебя я огорчила” (“What have I done to upset you?”), is the theme on which the nine variations are based, whereas the second “По улице мостовой” (“Along the gravel street”) provides the music material developed by Sor along the entire Allegretto. In this revision both the score and the separate parts have been bundled into one volume, differing from the previous editions as well as from the original one, in which only the separate parts can be found.