Stanislao Gastaldon the music publisher Sonzogno announced a competition for one-act operas, Gastaldon decided to enter with "Mala Pasqua!", a setting of Giovanni Verga's popular short story (and later play), "Cavalleria rusticana". Another young composer, Pietro Mascagni, entered the same contest with his opera "Cavalleria rusticana", also based on Verga's story. Gastaldon withdrew his work early in the competition when he received an offer from Sonzogno's rival, Ricordi, to publish it and arrange a premiere at the Teatro Costanzi in Rome. He expanded the opera to three acts, and "Mala Pasqua!" premiered on April 9, 1890 to modest success. Mascagni's opera eventually
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