The answer to this question is tension
It was "B. Philippe de Vitry" who was a Medieval composer and was also a politician and author famous for his writings on music theory, since at the time not many people knew the fundamentals of such theory.
Answer: If you're underage or possibly if you're still on their insurance
Explanation:
They resulted in little or no change.
Answer: 22.5
Explanation: Trust me or get it wrong