| Answer | Crossword Clue |
|---|---|
| AFLAT | Key of Beethoven's Piano Sonata No. 12 |
| FSHARP | Key of Beethoven's Piano Sonata No. 24 |
| EFLAT | Key of Beethoven's Piano Sonata No. 4 |
| INAFLAT | Like Beethoven's Piano Sonata No. 31 |
| INF | Like Beethoven's Piano Sonata No. 6 or 22 |
| MOONLIGHT | Beethoven's "..." Sonata (Piano Sonata No. 14 in C-sharp minor) |
