(from the preface to the sheet music edition): The present "15 two-part inventions in the Bach manner" were all composed during the winter semester of 1978/79, in preparation for the written examination in counterpoint which took place in April 1979 at the State University of Music in Freiburg/Breisgau. All the invention themes were given to us.
»» see also: 15 three-part fantasies, op. 24
Invention I: C major
Invention II: C minor
Invention III: D major
Invention IV: D minor
Invention V: Eb major
Invention VI: E major
Invention VII: E minor
Invention VIII: F major
Invention IX: F minor
Invention X: G major
Invention XI: G minor
Invention XII: A major
Invention XIII: A minor
Invention XIV: Bb major
Invention XV: B minor