The Sonata for Two Pianos in D major, K. 448, is a work composed by Wolfgang Amadeus Mozart in 1781, when he was 25. It is written in sonata-allegro form, with three movements. The sonata was composed for a performance he would give with fellow pianist Josepha Auernhammer.[1] Mozart composed this in the galant style, with interlocking melodies and simultaneous cadences. This is one of his few compositions written for two pianos.
| Sonata for Two Pianos | |
|---|---|
| by W. A. Mozart | |
Beginning of the sonata | |
| Key | D major |
| Catalogue | K. 448 |
| Style | Classical period |
| Composed | 1781 (1781) |
| Movements | Three (Allegro con spirito, Andante, Molto allegro) |

The sonata is written in three movements:
The first movement begins in D major, and sets the tonal center with a strong introduction. The two pianos divide the main melody for the exposition, and when the theme is presented both play it simultaneously. Mozart spends little time in the development introducing a new theme unlike most sonata forms, and begins the recapitulation, repeating the first theme.
The second movement is written in ABA form.
Molto allegro begins with a galloping theme. The cadences used in this movement are similar to those in Mozart's Rondo alla Turca.
Mozart's K 448 was the composition used in the original study that led to the theory of the so-called Mozart effect, which posited that listening to the piano sonata improved spatial reasoning skills, later widened in pop-science to an increase in IQ in general.[2]
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| Biography |
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| Music |
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Piano sonatas by Wolfgang Amadeus Mozart | |
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| Piano solo |
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| Early |
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| Two pianos | |
| Piano four-hands |
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| Spurious |
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| Doubtful |
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List of solo piano compositions by Wolfgang Amadeus Mozart | |