| KEYS | Major | C | C# | D | D# | E | F | F# | G | G# | A | Bb | B | TOTAL |
| Minor | A | Bb | B | C | C# | D | D# | E | F | F# | G | G# | ||
| Occurrence Of Keys Over All Sonatas | 2 | 0 | 2 | 7 | 3 | 3 | 1 | 5 | 4 | 2 | 3 | 0 | 32 | |
| Pitch Classes Used In The Scale Of Each Key | C | 2 | 0 | 7 | 3 | 5 | 4 | 3 | 24 | |||||
| C# | 0 | 2 | 3 | 1 | 4 | 2 | 0 | 12 | ||||||
| D | 2 | 2 | 7 | 3 | 5 | 2 | 3 | 24 | ||||||
| D# | 0 | 7 | 3 | 1 | 4 | 3 | 0 | 18 | ||||||
| E | 2 | 2 | 3 | 3 | 5 | 2 | 0 | 17 | ||||||
| F | 2 | 0 | 7 | 3 | 1 | 4 | 3 | 20 | ||||||
| F# | 0 | 2 | 3 | 1 | 5 | 2 | 0 | 13 | ||||||
| G | 2 | 2 | 7 | 3 | 5 | 4 | 3 | 26 | ||||||
| G# | 0 | 7 | 3 | 1 | 4 | 2 | 0 | 17 | ||||||
| A | 2 | 2 | 3 | 3 | 5 | 2 | 3 | 20 | ||||||
| Bb | 0 | 7 | 3 | 1 | 4 | 3 | 0 | 18 | ||||||
| B | 2 | 2 | 3 | 1 | 5 | 2 | 0 | 15 |