The progression of her Amyotrophic lateral sclerosis (ALS) and her relationship with her daughter are also themes, as is Beethoven's growing deafness.
Calculus of variations | Variations on the Death of Trotsky | Variations on a Theme of Frank Bridge | Variations on a Theme by Haydn | Variations on an Elizabethan Theme | Diabelli Variations | Variations on a Rococo Theme | Variations and Fugue on a Theme by Handel | Reflections on the variations, or inconsistencies, which are found among the four Evangelists | Fundamental lemma of calculus of variations | Classical Variations and Themes | Canonic Variations on "Vom Himmel hoch da komm' ich her" | calculus of variations |
Part I was devoted to the 33 variations supplied by Beethoven, which have gained an independent identity as his Diabelli Variations, Op. 120.