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
Giacomo Puccini the top ten works performed, and Puccini ranks third (behind Verdi and Mozart) in the number of performances of his operas over all. Gustav Kobbé, the original author of "The Complete Opera Book", a standard reference work on opera, wrote in the 1919 edition: "Puccini is considered the most important figure in operatic Italy today, the successor of Verdi, if there is any." Other contemporaries shared this view. Italian opera composers of the generation with whom Puccini was compared included Pietro Mascagni (1863–1945), Ruggero Leoncavallo (1857–1919), Umberto Giordano (1867–1948), Francesco Cilea (1866–1950), Baron Pierantonio Tasca (1858–1934), Gaetano Coronaro (1852–1908), and