Answer:
If you were to take a glass and put water a little amount in it there would be more room for the sound to vibrate , but if you put more water then there would be less room for it to vibrate creating a higher pitch.
Answer: Option A
Explaination: The painting depicts the artists dentist and his sister, not himslef. Therefore, option A is not true.
It would most likely be A. Classical music was generally improvised at each live performance