| Subtitle: | No. 17 |
| Composer: | W. A. Mozart |
| Key: | B major |
| Catalogue: | K. 570 |
| Style: | Classical period |
| Movements: | Allegro, Adagio, Allegretto |
Wolfgang Amadeus Mozart's Piano Sonata No. 17 in B major, K. 570, dated February 1789,[1] is a sonata in three movements:
A typical performance takes about 18 minutes.
There is an accompanying violin part of doubtful origin in many 1800 editions; the piano part is exactly the same as for piano solo. Neue Mozart-Ausgabe (NMA) describe it as an addition by either Johann Anton André or .[2]
