Vestas Feuer by Pamina and Papageno in "The Magic Flute"), which has the same key and time signature and was the subject of a set of variations for cello and piano by Beethoven (WoO 46), written 1801. Lockwood also discerns a precedent set by Mozart involving formal structure: an "Introduzione"; i.e. Beethoven's scene forms a separable initial section of an opera having some degree of integrity of both plot and harmonic plan; Lockwood calls the "Introduzione" a "miniplay". Three of Mozart's operas begin with such an "Introduzione": "Don Giovanni", "Così fan tutte", and "The Magic Flute". Beethoven's "Introduzione" has a harmonic structure
Vienna Mozart Orchestra world-famous opera houses, principally from the Vienna State Opera and the Vienna Volksoper, perform with the Vienna Mozart Orchestra. Best-known and most popular is the concert series “Vienna Mozart Concerts in historical costumes”, performed every year from May until the end of October, four times a week. An ideal background for these concerts is provided by the Golden Hall of the Musikverein, the Vienna State Opera and by the Great Hall of the Konzerthaus (each about 40 concerts a year). As a co-production with Klangbogen Wien within the framework of the Millennium celebrations in 1996, ten open-air concerts were performed