(Piano Method). Contents: Invention in C Major, BWV 772 * Invention in C minor, BWV 773 * Invention in D Major, BWV 774 * Invention in D minor, BWV 775 * Invention in E-flat Major, BWV 776 * Invention in E Major, BWV 777 * Invention in E minor, BWV 778 * Invention in F Major, BWV 779 * Invention in F minor, BWV 780 * Invention in G Major, BWV 781 * Invention in G minor, BWV 782 * Invention in A Major, BWV 783 * Invention in A minor, BWV 784 * Invention in B-flat Major, BWV 785 * Invention in B minor, BWV 786