The Magic Flute also acknowledge an influence of Freemasonry. For detailed discussion of sources see , as well as "Libretto of The Magic Flute". In composing the opera, Mozart evidently kept in mind the skills of the singers intended for the premiere, which included both virtuoso and ordinary comic actors asked to sing for the occasion. Thus, the vocal lines for Papageno—sung by Schikaneder himself—and Monostatos (Johann Joseph Nouseul) are often stated first in the strings so the singer can find his pitch, and are frequently doubled by instruments. In contrast, Mozart's sister-in-law Josepha Hofer, who premiered the role of the Queen of
Libretto of The Magic Flute to draw a generalized observation from the proceedings on stage in order to promote virtue or condemn vice." Cairns attributes a taste for "didactic sentiment" specifically to the Viennese popular theater. Concerning "The Magic Flute" specifically, Rosen writes that it "develops ... a conception of music as a vehicle for simple moral truths." The opera's didacticism is concentrated in passages of poetry, set in the ensemble scenes, in which the characters cease to converse with each other and join in singing an edifying lesson to the audience. One example is found in the first act, just after Monostatos and his