Overture from the opera ""Ali Baba ou Les Quarante voleurs" ("Ali Baba or The 40 thieves") Overture from the opera ""Ali Baba ou Les Quarante voleurs" ("Ali Baba or The 40 thieves") Main opus "Ali Baba ou Les Quarante voleurs" ("Ali Baba or The 40 thieves"), opera in 4 acts, based on a text by Eugène Scribe und Anne Honoré Joseph Duveyrier