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 dance appearance, and according to Solomon the income from the dances partly helped Mozart to recover from the financial distress into which he had fallen in the later 1780s. In later years they were frequently reprinted. Today, however, it seems that the dances are little performed or recorded, at least in comparison to other Mozart works such as the mature symphonies or concertos. Nevertheless, they are praised by critics. Alex Ross has written of the dances (2006), "They are exasperating to listen to in large quantity, but they are full of lively, even zany details, and serve as a reminder that