Ricordi, the well-known printer of classical opera, presents the works of the great opera composers in its CRITICAL EDITION · PRACTICAL SERIES. These revised definitive scores are produced by using all the currently available sources ranging from the original autographs to printed editions, in line with strict philological and critical criteria. Each edition has a brief introduction providing the historical context for the opera in question. This series combines the rigour of a critical approach and a practical, easy-to-follow editorial lay-out.