4Variations sur un thème original in A flat major Op.35 D817
5Sonata for piano Duet in C major, Grand Duo D812:I Allegro moderato
6Sonata for piano Duet in C major, Grand Duo D812:II Andante
7Sonata for piano Duet in C major, Grand Duo D812:III Scherzo - Allegro vivace
8Sonata for piano Duet in C major, Grand Duo D812:IV Allegro vivace
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