| Answer | Crossword Clue |
|---|---|
| CMAJ | Key of Brahms's Piano Sonata No. 1 |
| FMINOR | Key of Brahms's Piano Sonata No. 3 |
| BMAJ | Key of Brahms's Piano Trio No. 1 |
| 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 |
| FSHARP | Key of Scriabin's Piano Sonata No. 4 |
