The Magic Flute troupe, tenor Benedikt Schack (the first Tamino), and had contributed to the compositions of the troupe, which were often collaboratively written. Mozart's participation increased with his contributions to the 1790 collaborative opera "Der Stein der Weisen" ("The Philosopher's Stone"), including the duet ("Nun liebes Weibchen", K. 625/592a) among other passages. Like "The Magic Flute", "Der Stein der Weisen" was a fairy-tale opera and can be considered a kind of precursor; it employed much the same cast in similar roles. The libretto for "The Magic Flute", written by Schikaneder, is thought by scholars to be based on many sources. Some works
Welsh National Opera with the company's musical director James Lockhart, Geliot is credited by "The Times" with introducing new young singers and "directing a host of groundbreaking productions" before leaving in 1978. The critic Rodney Milnes wrote in 1975 about WNO's productions: In 1973 Geliot's WNO staging of Britten's "Billy Budd" with Allen in the title role was presented on a Swiss tour, and two years later it was given in Barcelona. The company returned to London with its participation in the Amoco Festival of Opera at the Dominion Theatre in 1979, presenting "The Makropoulos Case", "The Magic Flute", "Ernani", "Madame Butterfly", and