| Key with four flats |
| Chopin's "Ballade in ___ |
| Relative of A-flat major |
| When the Levee Breaks" key |
| Smells Like Teen Spirit" key |
| Key of Brahms's Piano Sonata No. 3 |
| Beethoven's "Appassionata" is in it |
| Key of Chopin's "Piano Concerto No. 2 |
| Key of Beethoven's "Appassionata" Sonata |