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
The Magic Flute (at right), which does not give full names; "Hr." = Herr, Mr.; "Mme." = Madame, Mrs.; "Mlle." = Mademoiselle, Miss. While the female roles in the opera are assigned to different voice types, the playbill for the premiere performance referred to all of the female singers as "sopranos". The casting of the roles relies on the actual vocal range of the part. The work is scored for two flutes (one doubling on piccolo), two oboes, two clarinets (doubling basset horns), two bassoons, two horns, two trumpets, three trombones (alto, tenor, and bass), timpani and strings. It also requires a four-part