Giacomo Puccini remained popular. "Turandot", Puccini's final opera, was left unfinished, and the last two scenes were completed by Franco Alfano based on the composer's sketches. The libretto for "Turandot" was based on a play of the same name by Carlo Gozzi. The music of the opera is heavily inflected with pentatonic motifs, intended to produce an Asiatic flavor to the music. Unlike "La fanciulla", "Turandot" contains a number of memorable stand-alone arias, among them "Nessun dorma". The libretto of "Edgar" was a significant factor in the failure of that opera. Thereafter, especially throughout his middle and late career, Puccini was extremely
Verismo (music) earlier Italian opera. Instead, the operas were "through-composed," with few breaks in a seamlessly integrated sung text. While "verismo" operas may contain arias that can be sung as stand-alone pieces, they are generally written to arise naturally from their dramatic surroundings, and their structure is variable, being based on text that usually does not follow a regular strophic format. The most famous composers who created works in the "verismo" style were Giacomo Puccini, Pietro Mascagni, Ruggero Leoncavallo, Umberto Giordano and Francesco Cilea. There were, however, many other "veristi": Franco Alfano, Alfredo Catalani, Gustave Charpentier ("Louise"), Eugen d'Albert ("Tiefland"), Ignatz Waghalter