Italian opera revisited, history was retold and imagination was stimulated. The strength of it fell into a more violent era for opera: verismo, with "Cavalleria rusticana" by Pietro Mascagni and "Pagliacci" by Ruggero Leoncavallo. Some of the greatest Italian operas of the 20th century were written by Giacomo Puccini (1858–1924). These include "Manon Lescaut", "La bohème", "Tosca", "Madama Butterfly", "La fanciulla del West", "La rondine" and "Turandot", the last two being left unfinished. In 1926 and in 2002 Franco Alfano and Luciano Berio respectively attempted a completion of "Turandot", and in 1994 Lorenzo Ferrero completed the orchestration of the third version of
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