| Answer | Crossword Clue |
|---|---|
| ALTOS | They're heard at chorus rehearsals |
| PIANO | It's heard at chorus rehearsals |
| OMS | Chorus heard at some retreats |
| TATAS | They're heard at Heathrow |
| ARIAS | They're heard at the Met |
| OOHS | They're heard at fireworks displays |
| OOHS | They're heard at the circus |
