Example 25. Brahms, op. 38, iii; structural constructions inferred from a) Fournier (cello) and Backhaus (piano), b) Casals (cello) and Horszowski (piano), c) Rostropovich (cello) and Serkin (piano), d) Meneses (cello) and Pires (piano), and e) Polo (cello) and Nebolsin (piano)