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
Alfredo Casella in music and influenced his own compositions profoundly. His editions of Johann Sebastian Bach and Ludwig van Beethoven's piano works, along with many others, proved extremely influential on the musical taste and performance style of Italian players in the following generations. Usually the "generazione dell'ottanta" ("generation of '80"), including Casella himself, Malipiero, Respighi, Pizzetti, and Alfano — all composers born around 1880, the post-Puccini generation — concentrated on writing instrumental works, rather than the operas in which Puccini and his musical forebears had specialised. Members of this generation were the dominant figures in Italian music after Puccini's death in 1924;