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
Morris Robinson "The Magic Flute", "Nabucco", "Les Troyens" and "Tannhäuser". Numerous appearances with the Los Angeles Opera have included roles in "Don Carlo", "Rigoletto" and "Die Entführung aus dem Serail (The Abduction From the Seraglio)". He has also performed with opera companies in St. Louis, Philadelphia, Seattle, Cincinnati, Pittsburgh, Dallas and Sydney, Australia. Recently Robinson has broadened his career by performing in musicals. In 2012 he won the role of Joe in "Show Boat" with the San Francisco Opera. He reprised the role with the Houston Grand Opera, Chicago Lyric Opera, Dallas Opera and the Washington National Opera at the John F.