(credit Julian Baumann) Les Grand Voix has changed the program to an upcoming concert at the Théâtre des Champs-Élysées. The Oct. 7 concert, which was originally set to feature Adriana Gonzalez and Freddie De Tommaso in duos and arias by Puccini, Ponchielli, Bizet, and Cilea alongside Victorien Vanooster and the Orchestre de l’Opéra de Toulon, will now only feature the {…}