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
Chelsea Opera and received critical acclaim from "Opera News": the operas "had great appeal both to old opera hands and to first-time operagoers." Each season now includes multiple offerings within its concert series, "Chelsea Opera presents…", a series of thematic concerts featuring the company’s principal singers and guest artists, whose number now exceeds 400 who have performed principal roles, sung in the ensemble, been involved in design/production, and played in the Chelsea Opera Chamber Orchestra (“COCO”). Chelsea Opera’s performances to date have included "Suor Angelica", "Amahl and the Night Visitors" (also given an encore presentation in November 2009), "Cavalleria Rusticana", "Pagliacci", "Don