Relationships
| parts: | 1. Sonata for Piano with 4 Hands in C major, K. 521: I. Allegro (movement) 2. Sonata for Piano with 4 Hands in C major, K. 521: II. Andante (movement) 3. Sonata for Piano with 4 Hands in C major, K. 521: III. Allegretto (movement) |
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