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
Oboe Quartet (Mozart) a number of places within the work that require ensemble playing, for example, the famous 13-bar passage in the finale in which the oboe plays in common time against a 6/8 accompaniment. There are three movements: An average performance takes around 15 minutes. Oboe Quartet (Mozart) The Oboe Quartet in F major, K. 370/368b, was written by Wolfgang Amadeus Mozart in early 1781. The quartet is scored for oboe, violin, viola and cello. In 1780, Mozart was invited to Munich to visit Elector Karl Theodor, who had commissioned the opera "Idomeneo" for a carnival celebration. While in Munich, Mozart renewed