Answer:
I would like to say, loudness. Due to amplitude being the intensity of the wave.
Answer:
Maybe, I do. I don't think.. I listen to his song.. :(

That’s cool man! i love it.!
Answer:
Analogous, complimentary, triad, or tetradic
Explanation:
Answer:
Wow that's incredible! the line art is amazing! Maybe add some clouds or sky of sorts? I love your use of colors! :-)
Explanation:
have a lovely day/night!