Melodic Notation in G (fragment), K. 705 (G major)
ヴォルフガング・アマデウス・モーツァルト作
Mozart’s Melodic notation in G (K. 705) is a tiny surviving keyboard sketch in G major, preserved only as an autograph fragment on a single two-sided leaf. The Köchel Catalogue Online dates the source broadly to Vienna, 1786–1791, placing it in the intensely productive years around Don Giovanni (1787), when Mozart often jotted down ideas in short, practical notations rather than fully worked piano pieces [1].
What Is Known
The work survives as an autograph (a manuscript in Mozart’s own hand) transmitted as partitur on one leaf, written on both sides [1]. In the current Köchel Catalogue Online entry it is classified as an uncompleted work with verified authenticity, and its dating is given as Vienna, 1786–1791 (a range rather than a fixed day or month) [1]. The same source links the fragment to a larger 1787 sketch sheet context (Sk 1787a; Skb 1787b/02), suggesting it belongs to Mozart’s working papers rather than to a completed, circulating piano miniature [1].
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Musical Content
K. 705 is essentially a melodic idea notated for keyboard—too brief and incomplete to function securely as a stand-alone “piece” in performance, and more plausibly understood as a prompt for Mozart himself: a remembered contour, a possible opening, or a theme awaiting harmony and continuation [1]. Even in so small a trace, the choice of G major points toward the bright, open keyboard idiom Mozart cultivated in the later 1780s, where clean diatonic line and clear phrase-breathing often serve as the seed from which fuller textures (bass support, inner voices, and formal balance) are later grown. In that sense, K. 705 fits Mozart at around age 31 not as a “lost bagatelle,” but as a glimpse of composition in motion: melody first, completion deferred.
[1] Köchel Catalogue Online (International Mozarteum Foundation): entry for KV 705, including status, dating, key, and source description (autograph; 1 leaf, written on both sides) plus NMA reference.