Franz Xaver Gerl low vocal range; Branscombe (1991) observes that the very low notes that Mozart included in the part of Sarastro have been "the despair of many a bass singer since." By 1787 he had joined the theatrical company of Emanuel Schikaneder, for which he sang the demanding role of Osmin in Mozart's opera "The Abduction from the Seraglio" and other roles. In 1789 the troupe settled at the Theater auf der Wieden in Vienna. Gerl participated in a system of joint composition used by Schikaneder's troupe, in which "Singspiele" were produced rapidly by having several composers collaborate. As such, Gerl may
Christine Weidinger among others. In 1988 she performed the role of Eupaforice in Carl Heinrich Graun's "Montezuma" at the Spoleto Festival USA. After a 16-year absence, she returned to the Metropolitan Opera in 1992 to sing the title role in Rossini's "Semiramide". Some of the many other roles Weidinger has sung on stage are Arminda in "La finta giardiniera", the Countess in "Le comte Ory", Gilda in "Rigoletto", Konstanze in "The Abduction from the Seraglio", Leonora in "Il trovatore", the title role in Rossini's "Armida", Armida in Handel's "Rinaldo" (with Marilyn Horne) and Amenaide in "Tancredi". She also performed the demanding Donizetti