Answer:
7 Rarely Used Orchestral Instruments
- SARRUSOPHONE. The sarrusophone (above) was invented in 1856 and named in honor of the French military bandleader Pierre-Auguste Sarrus. ...
- GLASS ARMONICA. ...
- HECKELPHONE. ...
- THEREMIN. ...
- WAGNER TUBA. ...
- PREPARED PIANO. ...
- CANNON.