Composed around 1720-1723, the 15 two-part contrapuntal Inventions and 15 three-part contrapuntal Sinfonias were orignally written as musical exercises for his students.

They are among the greatest pieces ever written for training purposes.

Includes:
15 Inventions "Two-Part Inventions"

• Invention No.1 in C major, BWV 772
• Invention No.2 in C minor, BWV 773
• Invention No.3 in D major, BWV 774
• Invention No.4 in D minor, BWV 775
• Invention No.5 in Eb major, BWV 776
• Invention No.6 in E major, BWV 777
• Invention No.7 in E minor, BWV 778
• Invention No.8 in F major, BWV 779
• Invention No.9 in F minor, BWV 780
• Invention No.10 in G major, BWV 781
• Invention No.11 in G minor, BWV 782
• Invention No.12 in A major, BWV 783
• Invention No.13 in A minor, BWV 784
• Invention No.14 in Bb major, BWV 785
• Invention No.15 in B minor, BWV 786

• Sinfonia No.1 in C major, BWV 787
• Sinfonia No.2 in C minor, BWV 788
• Sinfonia No.3 in D major, BWV 789
• Sinfonia No.4 in D minor, BWV 790
• Sinfonia No.5 in Eb major, BWV 791
• Sinfonia No.6 in E major, BWV 792
• Sinfonia No.7 in E minor, BWV 793
• Sinfonia No.8 in F major, BWV 794
• Sinfonia No.9 in F minor, BWV 795
• Sinfonia No.10 in G major, BWV 796
• Sinfonia No.11 in G minor, BWV 797
• Sinfonia No.12 in A major, BWV 798
• Sinfonia No.13 in A minor, BWV 799
• Sinfonia No.14 in Bb major, BWV 800
• Sinfonia No.15 in B minor, BWV 801