| Answer | Crossword Clue |
|---|---|
| SPACEBAR | Most-used key |
| CMAJ | Key of Bizet's most popular sym. |
| BMINOR | Key of Bach's most famous Mass |
| BFLAT | Key to which most clarinets are tuned |
| AFLAT | Most common key of Chopin's piano pieces |
| CLARINET | Instrument whose most common type is in the key of Bb |
