Iris ter Schiphorst's opera for children premiered in Vienna in 2010. Based on the Grimm fairy tale, the Hamburg-born composer and her librettist Helga Utz created a touching and thrillingly imaginative work of musical theater. A princess, accompanied by her maid, sets out from the safety of her parents' home to find her fiancé. Despite a difficult journey and numerous obstacles, everything turns out well in the end, and she is able to marry her prince. Tobias Kratzer is staging The Goosemaid as part of the opera stabile's new directorship and season opening, one day after Paradise and the Peri, the opening production on the main stage. For him, musical theater for the youngest generations is not a niche product, but a top priority. Here, young audiences experience it up close: As a flock of geese, the children become part of the action, immersing themselves in the story together with…