Keyboard Sonatas (lost) BR-JCFB A 26 \ No. 5 - Keyboard Sonata in E-flat major BR-JCFB A 27 \ No. 6 - Keyboard Sonata in F major Seven Sonatas - Composed before around and not after March 1789, only one Sonata survived. BR-JCFB A 28–30, A 32-34 \ 6 Keyboard Sonatas (lost) BR-JCFB A 31 \ Keyboard Sonata in D major BR-JCFB A 35 - 37 \ 3 Keyboard Sonatas (lost) BR-JCFB A 38 - 39 \ 2 Keyboard Sonatas (lost) BR-JCFB A 40 \ keyboard Sonata for 4 hands in A major (Wf XIII/1) - around 1786 BR-JCFB A 41 \ keyboard Sonata for 4 hands in C major (Wf XIII/2) - perhaps around 1791 BR-JCFB A 42 - 43 \ 2 Sonatas for 2 keyboards (lost) BR-JCFB A 44 \ Variations in A major (Wf XII/1) (lost) BR-JCFB A 45 \ Allegretto in G major with 18 Variations on "Ah vous dirais-je Maman" (Wf XII/2) - Composed around 1785/90 - originally comprised only 13 variations and was later expanded by 5 variations. Five Pieces from "Musikalisches Vielerley" - not after 1770 BR-JCFB A 46 \ Minuet for dance and Trio in D major (Wf XII/3) BR-JCFB A 47 \ Alla polacca in G major (Wf XII/7) BR-JCFB A 48 \ Minuet and Trio in F major (Wf XII/4) BR-JCFB A 49 \ Two minuets for dance in D major (Wf XII/5) BR-JCFB A 50 \ Alla polacca in F major (Wf XII/6) Seventy pieces from "Musikalische Nebenstunden" - The keyboard pieces belong to different genre traditions and are likely to come from different creative periods. (Wf XII/13) BR-JCFB A 51 \ Allegro in C major BR-JCFB A 52 \ Minuet in C major (BWV deest) BR-JCFB A 53 \ Andante in G major BR-JCFB A 54 \ March in G major BR-JCFB A 55 \ Allegretto in F major BR-JCFB A 56 \ Minuet alternating between F major and B-flat major BR-JCFB A 57 \ Polonaise in F major BR-JCFB A 58 \ Allegretto in D major BR-JCFB A 59 \ March in D major BR-JCFB A 60 \ Schwäbisch (Swabian) in D major (kind of folk dance) BR-JCFB A 61 \ Minuet in D major and Trio in G major BR-JCFB A 62 \ Angloise in G major BR-JCFB A 63 \ Villanella in C major BR-JCFB A 64 \ Scherzo in C major BR-JCFB A 65