Köchel catalog · K. 703

Instrumental Piece in A♭ major (fragment), K. 703

Silverpoint drawing of Mozart by Dora Stock, 1789
Mozart, silverpoint by Dora Stock, 1789 — last authenticated portrait
Köchel Number
K9 703 | K6
Genre
Piano Music
Form
Piano Pieces
Key
A Flat Major
Date
1787
Age
31

Mozart’s Instrumental Piece in A♭ major (K. 703) is a short, fragmentary solo keyboard work from 1787, surviving only in incomplete form. Little can be said about its original purpose, but its refined tonal world places it naturally alongside Mozart’s late Viennese keyboard style.

Background and Context

In 1787 Wolfgang Amadeus Mozart (1756–1791) was 31 and living in Vienna, a year marked by major operatic and instrumental projects—most prominently Don Giovanni (K. 527), premiered in Prague in October. The Instrumental Piece in A♭ major (K. 703) is dated to this same year, though its place of composition remains unknown, and it survives only as a fragment rather than a finished piano miniature.[1]

Musical Character

What survives suggests a concise keyboard idea in A♭ major rather than a fully articulated movement: the notation reads as a self-contained passage that breaks off before any large-scale formal plan can be confirmed. In its choice of key—A♭ major, so often associated in Mozart with a warm, cantabile lyricism—the fragment hints at the singing right-hand style and gentle harmonic pacing familiar from his mature keyboard writing, even if its intended continuation (repeat, contrasting middle, or closing cadence) cannot be securely reconstructed from the extant text.[1]

Sources

[1] Internationale Stiftung Mozarteum, Köchel Verzeichnis entry for KV 703 (“Instrumental piece in A flat”) — basic catalog data and fragment status.