1. Which instrument has black and white keys and is played by pressing them with fingers?

2. What makes the Theremin unique compared to almost all other musical instruments?

3. Which famous American statesman and inventor created the glass armonica?

4. What is unique about the bow of an Erhu?

5. What material is most commonly used for the bars of a professional concert marimba?

6. What does the 'A' stand for in the synthesizer term 'ADSR envelope'?

7. What does the word 'Ocarina' mean in the Italian dialect of Bologna?

8. What are the movable bridges on a koto called?

9. Which Tchaikovsky ballet first popularized the celeste in orchestral music?

10. What is the function of the 'dog' (chien) on a hurdy-gurdy?

11. What did John Cage place inside a piano to create a 'prepared piano'?

12. What does the horizontal looped antenna on a theremin control?

13. How are traditional didgeridoo branches hollowed out?

14. Why is the saxophone classified as a woodwind instrument?

15. What does pulling a 'stop' on a pipe organ do?

16. What type of bore does a tuba have that contributes to its mellow sound?

17. What mechanical component produces the initial sound in a Hammond organ?

18. What was Leon Theremin originally researching when he discovered the instrument?

19. Which part of the body acts as a temporary air reservoir during circular breathing?

20. Why do tuba players sometimes need to rotate their entire instrument?