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| Piano Sonata in B-flat major | |
|---|---|
| No. 13 | |
| by W. A. Mozart | |
&sq=Facebook&lang=en&file=File:Martini_bologna_mozart_1777.jpg) The young composer, a 1777 copy of a lost painting | |
| Key | B-flat major |
| Catalogue | K. 333 / 315c |
| Style | Classical period |
| Composed | 1783 |
| Published | 1784 |
| Movements | Three (Allegro, Andante cantabile, Allegretto grazioso) |
The Piano Sonata No. 13 in B-flat major, K. 333 (315c), also known as the "Linz Sonata", was composed by Wolfgang Amadeus Mozart in Linz at the end of 1783.
The autograph manuscript of the sonata is preserved in the Berlin State Library.