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
Mozart and Salieri (opera) Mozart and Salieri (opera) Mozart and Salieri (, "Motsart i Salyeri") is a one-act opera in two scenes by Nikolai Rimsky-Korsakov, written in 1897 to a Russian libretto taken almost verbatim from Alexander Pushkin's 1830 verse drama of the same name. The story follows the apocryphal legend that Antonio Salieri poisoned Wolfgang Amadeus Mozart out of jealousy over the latter's music. Rimsky-Korsakov incorporated quotations from Mozart's "Requiem" and "Don Giovanni" into the score. Richard Taruskin has placed this opera in the historical context of the development of the realistic tradition in Russian opera. The first performance took place at the