Please answer the following question: Answer the following question given this paragraph: All musical instruments create sound by causing matter to vibrate. Most musical instruments use resonance to amplify sound waves and make sounds louder. Most musical instruments also have a way of changing the frequency of sound waves, which changes the pitch of the sounds. Q: Changing the frequency of sound waves, will change the _________ of the sound of a musical instrument? Choices: - velocity - distance - direction - pitch A:
A:
pitch