Turandot Puccini. He left behind 36 pages of sketches on 23 sheets for the end of "Turandot". Some sketches were in the form of "piano-vocal" or "short score," including vocal lines with "two to four staves of accompaniment with occasional notes on orchestration." These sketches supplied music for some, but not all, of the final portion of the libretto. Puccini left instructions that Riccardo Zandonai should finish the opera. Puccini's son Tonio objected, and eventually Franco Alfano was chosen to flesh out the sketches after Vincenzo Tommasini (who had completed Boito's "Nerone" after the composer's death) and Pietro Mascagni were rejected.
Franco Leoni Grand Opera Society (1994) and the Frankfurt Opera, 2009, with another run scheduled for 2011. Franco Leoni Franco Leoni (24 October 1864 – Hampstead 8 February 1949) was an Italian opera composer. After training in Milan, he made most of his career in England, composing for Covent Garden and West End theatres. He is best known for the opera "L'Oracolo", written for Covent Garden but taken up successfully by the Metropolitan Opera in New York. In addition to his operas, Leoni wrote several cantatas and oratorios and many ballads and other songs. He also worked as a conductor in London,