710 pts As with all instrument prototypes, the contrabassoon had valves instead of keys. Group of answer choices True False Flag question: Question 8 Question 810 pts The contrabassoon had a more compact look because of its many folding wooden tubes. Group of answer choices True False Flag question: Question 9 Question 910 pts Key clicks is an extended technique that is done quite effectively on the contrabassoon. Group of answer choices True False