I Puritani is the last work of Vincenzo Bellini: composed in nine months, from April 1834 to January 1835 (a gestation unusually long for that time), was performed for the first time in Paris, Théâtre Italien, 24 January 1835. During this period, the dramatic structure suffered radical transformations: initially structured in two acts, the work was divided into three acts just before the premiere, but on the eve of the first performance, and immediately after that, theexcessive length of the tit