| Answer | Crossword Clue |
|---|---|
| MELODICA | Small pipe organ |
| DIAPASON | Pipe-organ stop |
| SEXT | Pipe-organ stop |
| DOLCI | Pipe-organ stops |
| STOP | Pipe-organ feature |
| DIAPASONS | Pipe organ stops |
| DULCIANA | Pipe-organ stop. |
| STOPS | Pipe organ knobs |
| CACTI | Organ-pipe and others |
| STOP | Knob on a pipe organ |
| CACTUSES | Organ-pipe and rat-tail |
| TREMOLO | Sound effect device on a pipe organ. |
| ARIZ | Home of Organ Pipe Cactus Natl. Mon. |
