Answer: speed and velocity
Start soft like p, measure 3 add a crescendo to a f and measure 4 and a slight decrescendo to a mp, hope this helps
The key signature allows the composer to use less accidentals which makes the music less cluttered. Just like the other person who answered this said when a score with multiple instruments is written it is almost always all in the same key to keep the music organized (their answer is better)
Answer:
No the word for the volume is dynamics.
Explanation:
Key signature is what key the song is in, which would not affect how loud it would be.