Festival Ile de France
September 7 - October 14
Taking Martin Luther King Jr.’s famous “I have a dream” speech as a starting point, this wide-ranging festival brings acts from around the world together under themes as diverse as “Cinderella,” “A Train for the Far East.” and “Louisiana Carnival.” The concerts will take place throughout the Ile-de-France region in various beautiful locations, including ancient abbeys and churches. It’s a fantastic excuse to get out of the city and explore the surrounding area. €5-25.
Various locations. 01 58 71 01 01. www.fidf.fr

Ariane et Barbe-bleue
September 13 - October 6 (various dates)
The only extant opera of composer Paul Dukas, Ariane et Barbe-bleue retells the grisly myth of the sinister Bluebeard in a modern three act opera. When the murderous nobleman takes a new wife, he entrusts her with seven keys—one of which she is forbidden to use. But can the young Ariane restrain her curiosity? Dukas’s magnificent score explores Ariane’s story and considers the deeper question of human liberty. €5-130.
Opéra Bastille, Place de la Bastille, Paris 12. Mº Bastille. 01 40 01 19 70. www.operadeparis.fr