Original sentence: The Marseille Opera stages 6 or 7 operas each year, covering the whole range of opera from baroque to newly commissioned works.The artist Cézanne from Aix-en-Provence frequently visited l'Estaque on the outskirts of Marseille and painted many works of art there.The season, by subscription, lasts from September to June
Edited sentence: Marseille is candidate for becoming 'the European City of Culture' and its opera house will play an important part.The Opera's artistic value led the municipality to classify the building as a historical monument.The artist Cézanne spent much time in Marseille and painted several works of art there.The future of Marseille's Opéra stands on attracting younger groups, rejuvenating the monument's aging image, and achieving the recognition of the sought-after title of 'National Opera'