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 Vienna's Carltheater; however, the outbreak of World War I prevented the premiere from being given there. Moreover, the firm of Ricordi had declined the score of the opera – Giulio Ricordi's son Tito was then in charge and he described the opera as "bad Lehár". It was taken up by their rival, Lorenzo Sonzogno, who arranged the first performance in neutral Monaco. The composer continued to work at revising this, the least known of his mature operas, until his death. "La rondine" was initially conceived as an operetta, but Puccini eliminated spoken dialogue, rendering the work closer in form to