| Answer | Crossword Clue |
|---|---|
| KEY | What good singers sing in |
| UNISON | What some singers sing in |
| UNISON | What singers sing in when they don't harmonize |
| KEY | Good thing to sing in |
| KEY | What to sing in |
| UNISON | What choristers may sing in |
| OTTOPARTS | What a double chorus could sing in a Roman church? |
