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.
Giacomo Puccini composers discovered that they were both engaged in writing operas based on Murger's work. Leoncavallo had started his work first, and he and his music publisher claimed to have "priority" on the subject (although Murger's work was in the public domain). Puccini responded that he started his own work without having any knowledge of Leoncavallo's project, and wrote: "Let him compose. I will compose. The audience will decide." Puccini's opera premiered a year before that of Leoncavallo, and has been a perennial audience favorite, while Leoncavallo's version of the story was quick to fade into obscurity. Puccini's next work after