In What key is Berlioz Roman Carnival Overture Written?

Berlioz's "Roman Carnival Overture" is primarily written in the key of E minor. The piece showcases vibrant orchestration and thematic material derived from his earlier Opera "Benvenuto Cellini." It features a lively and energetic character, reflecting the festive spirit of the carnival. The overture effectively combines lyrical melodies with dynamic orchestral textures.